2x^2-5x-2=(x-2)(x-2)

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Solution for 2x^2-5x-2=(x-2)(x-2) equation:


Simplifying
2x2 + -5x + -2 = (x + -2)(x + -2)

Reorder the terms:
-2 + -5x + 2x2 = (x + -2)(x + -2)

Reorder the terms:
-2 + -5x + 2x2 = (-2 + x)(x + -2)

Reorder the terms:
-2 + -5x + 2x2 = (-2 + x)(-2 + x)

Multiply (-2 + x) * (-2 + x)
-2 + -5x + 2x2 = (-2(-2 + x) + x(-2 + x))
-2 + -5x + 2x2 = ((-2 * -2 + x * -2) + x(-2 + x))
-2 + -5x + 2x2 = ((4 + -2x) + x(-2 + x))
-2 + -5x + 2x2 = (4 + -2x + (-2 * x + x * x))
-2 + -5x + 2x2 = (4 + -2x + (-2x + x2))

Combine like terms: -2x + -2x = -4x
-2 + -5x + 2x2 = (4 + -4x + x2)

Solving
-2 + -5x + 2x2 = 4 + -4x + x2

Solving for variable 'x'.

Reorder the terms:
-2 + -4 + -5x + 4x + 2x2 + -1x2 = 4 + -4x + x2 + -4 + 4x + -1x2

Combine like terms: -2 + -4 = -6
-6 + -5x + 4x + 2x2 + -1x2 = 4 + -4x + x2 + -4 + 4x + -1x2

Combine like terms: -5x + 4x = -1x
-6 + -1x + 2x2 + -1x2 = 4 + -4x + x2 + -4 + 4x + -1x2

Combine like terms: 2x2 + -1x2 = 1x2
-6 + -1x + 1x2 = 4 + -4x + x2 + -4 + 4x + -1x2

Reorder the terms:
-6 + -1x + 1x2 = 4 + -4 + -4x + 4x + x2 + -1x2

Combine like terms: 4 + -4 = 0
-6 + -1x + 1x2 = 0 + -4x + 4x + x2 + -1x2
-6 + -1x + 1x2 = -4x + 4x + x2 + -1x2

Combine like terms: -4x + 4x = 0
-6 + -1x + 1x2 = 0 + x2 + -1x2
-6 + -1x + 1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + -1x + 1x2 = 0

Factor a trinomial.
(-2 + -1x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-2, 3}

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