🧮 algebra
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Factorise Expression
1. Stating the problem: Factorise the expression $$-42b^{5}rt^{4} + 28b^{3}r^{2}t^{2}$$.
2. Identify the greatest common factor (GCF) of the coefficients: The GCF of 42 and 28 is 1
Simplify Product
1. State the problem.
Simplify the expression $2x2x$.
Simplify Expression
1. Problem statement: Simplify the expression $2x$.
2. Interpretation: The expression $2x$ denotes the product of the constant 2 and the variable $x$.
Rational Function Zero
1. Problems states: Find the value of $x$ such that $$\frac{x^2 - 5x + 6}{x - 3} = 0.$$\n\n2. A fraction equals zero when its numerator equals zero and denominator is not zero. So,
Function Transformations
1. **Problem Statement:** Given the curve points A(0,2), B(1,0), C(4,4), D(6,0) for $y=f(x)$, find new points after transformations and explain effect on $y$. For the second part,
Multiply Binomials
1. State the problem: We want to find the product of the expressions $(-8x + 7)$ and $(6x - 5)$.
2. Use the distributive property (FOIL method) to multiply:
Solve Linear
1. **State the problem:** Solve the equation $-8x = 12$ for $x$.
2. **Isolate $x$:** To find $x$, divide both sides of the equation by $-8$ to get rid of the coefficient multiplyin
Algebra Multiple
1. Problem: Find which equation is equivalent to $y - 34 = x(x - 12)$.\nStep 1: Expand the right side: $$y - 34 = x^2 - 12x$$\nStep 2: Add 34 to both sides: $$y = x^2 - 12x + 34$$\
Equation Equivalency
1. **Problem 38:** Find which equation is equivalent to $y - 34 = x(x - 12)$.
Start by expanding the right side:
Equations Systems
1. **Problem 38:** Find which equation is equivalent to $y - 34 = x(x - 12)$.\nExpand the right side: $$y - 34 = x^2 - 12x \Rightarrow y = x^2 - 12x + 34.$$\nNow test each option:\
Solve System
1. **State the problem:** Solve the system of linear equations:
$$2x + 3y = 2$$
Equation Comparison
1. The problem gives two equations:
$$5y - 15 = 2x$$
Simplify Fractions
1. Enuncie o problema: Simplifique a expressão $$\frac{1}{a-3} + \frac{a+1}{a+3} - \frac{1 - a}{9 - a^2}$$.
2. Observe que $$9 - a^2$$ pode ser fatorado como $$ (3 - a)(3 + a) $$.
Meat Price Tax
1. **State the problem:** A person buys 5 kg of meat at a price of 500 per gram with a tax of 6% per kg. We need to find the total price for 5 kg including tax.
2. **Convert kg to
Fraction Expression
1. The problem is to understand and simplify, if possible, the expression $$\frac{2x}{2x - 3y}$$.
2. The numerator is $$2x$$, and the denominator is $$2x - 3y$$.
Logarithm Sum
1. The problem asks to write the expression \(\log(8x^3) + \log(2x)\) as a single logarithm.
2. Recall the logarithm property: \(\log(a) + \log(b) = \log(ab)\).
Solve Rational Equation
1. Dado o problema: $$\frac{1}{a-3} + \frac{a+1}{a+3} = \frac{1-a}{9 - a^2}$$
2. Observe que o denominador $$9 - a^2$$ pode ser fatorado como $$9 - a^2 = (3 - a)(3 + a)$$.
Simplify And Solve
1. Problem A: Simplify the expression $$(3^2 - 8) + \frac{2^2}{2} \cdot 3 - 3$$ using order of operations.
2. Calculate powers and parentheses first:
Car Hire Cost
1. The problem states that the cost of hiring a car in 2018 is 264 rupees, which is 20% more than the cost in 2013.
2. Let the cost in 2013 be $x$ rupees.
Quadratic K Values
1. **Stating the problem:** We have the quadratic equation $$2x^2 + kx + 5k = 0$$ and multiple choice options for the value of $k$. To solve for $k$, we use the fact that the quadr
Distance Points
1. The problem consists of finding the distance between two points in the coordinate plane: $(-x,1)$ and $(-5,7)$.
2. Use the distance formula between two points $(x_1,y_1)$ and $(