🧮 algebra

1. **State the problem:** Simplify the expression $$\frac{\sqrt{561^2 - 459^2}}{4 \times \frac{2}{7} \times 0.15 + 4 \times \frac{2}{7} \div \frac{20}{3}} + 4\sqrt{10} \div \left(\

1. The problem is to find the average (mean) of the numbers 80, 95, and 76. 2. The formula for the average of $n$ numbers $x_1, x_2, ..., x_n$ is:

1. **State the problem:** Solve for $x$ in terms of $a$ from the equation: $$7a \cdot 9b - 1 \cdot x + 9a - 1 - 0 = 0$$

1. The problem asks to find the set of values $x$ such that both inequalities hold: $$x^2 + x - 2 > 0 \quad \text{and} \quad x^2 - 2x - 3 \geq 0$$

1. **State the problem:** Solve for $x$ in the equation $11 \times 10^3 = x^3$. 2. **Write the equation:**

1. ปัญหา: กำหนดฟังก์ชัน $f : \{1, 2, 3, ..., 2025\} \to \{0, 1, 2, 3, 4\}$ โดยที่ $f(n) = n \bmod 5$ จงหา 2. หาค่าโดเมน $D_f$ และเรนจ์ $R_f$ ของฟังก์ชัน

1. **State the problem:** Find the square root of 1444 using the division method. 2. **Explain the division method:** This method involves grouping the digits of the number in pair

1. **State the problem:** Find the square root of 4639 using the division method. 2. **Explain the division method:** This method involves grouping the digits of the number in pair

1. The problem is to find the square root of 3223 rounded to two decimal places. 2. The square root function is denoted as $\sqrt{x}$, where $x$ is the number you want to find the

1. مسئله: مقدار $x + y$ را بیابید که در آن $x = \sqrt{30} - \sqrt{45}$ و $y = \sqrt{5} + \sqrt{125}$.

1. مسئله: باید حاصل عبارت $$10^{-112} \times 1 - 9 \times \frac{610}{25}$$ را به صورت نماد علمی پیدا کنیم. 2. ابتدا عبارت را به صورت دقیق بنویسیم: $$10^{-112} \times 1 - 9 \times \

1. مسئله: پنج عدد منفی $-\frac{3}{25}$ را با هم جمع کنیم و نتیجه را بیابیم. 2. فرمول: جمع پنج عدد برابر است با ضرب عدد در 5، یعنی:

1. The problem is to graph the function $y = a^x$ where $a > 0$ and $a \neq 1$. 2. The general form of an exponential function is $y = a^x$, where $a$ is the base and $x$ is the ex

1. **Problem Statement:** We need to simplify and evaluate the expression $\sqrt{1^3 + 2^3}$. 2. **Recall the formula and rules:**

1. **State the problem:** Solve the equation $x^5 + x - 1 = 0$ for $x$. 2. **Formula and rules:** This is a polynomial equation of degree 5. There is no general algebraic formula f

1. **State the problem:** Solve the equation $x = xy^2 + 2x - 3x + yx$ for $x$. 2. **Rewrite the equation:** Combine like terms on the right side.

1. **State the problem:** Factorise the quadratic expression $x^2 + 5x + 6$. 2. **Recall the factoring formula:** For a quadratic expression $ax^2 + bx + c$, we look for two number

1. **State the problem:** Solve the quadratic equation given as $\left(x:2\right) (2x+3) = 0$. 2. **Rewrite the equation:** The notation $x:2$ is interpreted as $\frac{x}{2}$. So t

1. **State the problem:** Find the range of the function $$f(x) = 2 - \sqrt{-x^2 + 2x + 15}$$. 2. **Understand the domain restriction:** The expression inside the square root must

1. نبدأ بحل السؤال الأول: (a^2)^3 تساوي a^5 2. القاعدة المستخدمة هي قانون القوى: \( (a^m)^n = a^{m \times n} \)

1. The problem is to find the range of the function defined by the equation of a circle: $$(x-1)^2 + (y-3)^2 = 16$$. 2. This is the equation of a circle with center at $(1,3)$ and