-45=5x+5x(-2x+2)

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Solution for -45=5x+5x(-2x+2) equation:


Simplifying
-45 = 5x + 5x(-2x + 2)

Reorder the terms:
-45 = 5x + 5x(2 + -2x)
-45 = 5x + (2 * 5x + -2x * 5x)
-45 = 5x + (10x + -10x2)

Combine like terms: 5x + 10x = 15x
-45 = 15x + -10x2

Solving
-45 = 15x + -10x2

Solving for variable 'x'.

Reorder the terms:
-45 + -15x + 10x2 = 15x + -15x + -10x2 + 10x2

Combine like terms: 15x + -15x = 0
-45 + -15x + 10x2 = 0 + -10x2 + 10x2
-45 + -15x + 10x2 = -10x2 + 10x2

Combine like terms: -10x2 + 10x2 = 0
-45 + -15x + 10x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-9 + -3x + 2x2) = 0

Factor a trinomial.
5((-3 + -2x)(3 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-3 + -2x)' equal to zero and attempt to solve: Simplifying -3 + -2x = 0 Solving -3 + -2x = 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 + -2x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2x = 0 + 3 -2x = 0 + 3 Combine like terms: 0 + 3 = 3 -2x = 3 Divide each side by '-2'. x = -1.5 Simplifying x = -1.5

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 = {-1.5, 3}

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