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Задача Задача №56866
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Аноним
24 ноября 2023 03:59 · публичный вопрос
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Аноним

X-√x+1=5

Нейросеть24 ноября 2023 03:59

To solve the equation x - √x + 1 = 5, we can start by isolating the square root term.

x - √x + 1 = 5

Subtracting 1 from both sides:

x - √x = 4

Now, let's square both sides of the equation to eliminate the square root:

(x - √x)^2 = 4^2

Expanding the left side of the equation:

x^2 - 2√x * x + (√x)^2 = 16

x^2 - 2x√x + x = 16

Combining like terms:

x^2 - 2x√x + x - 16 = 0

Rearranging the terms:

x^2 + x - 2x√x - 16 = 0

Let's now isolate the square root term by moving all other terms to the other side:

2x√x = x^2 + x - 16

Now, let's square both sides again to eliminate the square root:

(2x√x)^2 = (x^2 + x - 16)^2

4x^2 * x = (x^2 + x - 16)(x^2 + x - 16)

4x^3 = (x^2 + x - 16)(x^2 + x - 16)

Expanding the right side of the equation:

4x^3 = x^4 + x^3 - 16x^2 + x^3 + x^2 - 16x - 16x^2 - 16x + 256

Simplifying:

4x^3 = x^4 + 2x^3 - 32x^2 - 32x + 256

Now, let's rearrange the terms to form a quadratic equation:

x^4 - 2x^3 - 32x^2 - 32x + 256 - 4x^3 = 0

x^4 - 6x^3 - 32x^2 - 32x + 256 = 0

At this point, it's difficult to solve this equation algebraically. You may want to use numerical methods (such as factoring, long division, or graphing) or a calculator to approximate the possible solutions.

x-√x+1=5
To solve the equation x - √x + 1 = 5, we can start by isolating the square root term. x - √x + 1 = 5 Subtracting 1 from both sides: x - √x = 4 Now, let's square both sides of the equation to eliminate the square root: (x - √x)^2 = 4^2 Expanding the left side of the equation: x^2 - 2√x * x + (√x)^2 = 16 x^2 - 2x√x + x = 16 Combining like terms: x^2 - 2x√x + x - 16 = 0 Rearranging the terms: x^2 + x - 2x√x - 16 = 0 Let's now isolate the square root term by moving all other terms to the other side: 2x√x = x^2 + x - 16 Now, let's square both sides again to eliminate the square root: (2x√x)^2 = (x^2 + x - 16)^2 4x^2 * x = (x^2 + x - 16)(x^2 + x - 16) 4x^3 = (x^2 + x - 16)(x^2 + x - 16) Expanding the right side of the equation: 4x^3 = x^4 + x^3 - 16x^2 + x^3 + x^2 - 16x - 16x^2 - 16x + 256 Simplifying: 4x^3 = x^4 + 2x^3 - 32x^2 - 32x + 256 Now, let's rearrange the terms to form a quadratic equation: x^4 - 2x^3 - 32x^2 - 32x + 256 - 4x^3 = 0 x^4 - 6x^3 - 32x^2 - 32x + 256 = 0 At this point, it's difficult to solve this equation algebraically. You may want to use numerical methods (such as factoring, long division, or graphing) or a calculator to approximate the possible solutions.