(5x-10)(2x+2)=

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Solution for (5x-10)(2x+2)= equation: 


Simplifying
(5x + -10)(2x + 2) = 0

Reorder the terms:
(-10 + 5x)(2x + 2) = 0

Reorder the terms:
(-10 + 5x)(2 + 2x) = 0

Multiply (-10 + 5x) * (2 + 2x)
(-10(2 + 2x) + 5x * (2 + 2x)) = 0
((2 * -10 + 2x * -10) + 5x * (2 + 2x)) = 0
((-20 + -20x) + 5x * (2 + 2x)) = 0
(-20 + -20x + (2 * 5x + 2x * 5x)) = 0
(-20 + -20x + (10x + 10x2)) = 0

Combine like terms: -20x + 10x = -10x
(-20 + -10x + 10x2) = 0

Solving
-20 + -10x + 10x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '10'.
10(-2 + -1x + x2) = 0

Factor a trinomial.
10((-1 + -1x)(2 + -1x)) = 0

Ignore the factor 10.

Subproblem 1
Set the factor '(-1 + -1x)' equal to zero and attempt to solve:

Simplifying
-1 + -1x = 0

Solving
-1 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + -1x = 0 + 1

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

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

Divide each side by '-1'.
x = -1

Simplifying
x = -1

Subproblem 2
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
Solution
x = {-1, 2}

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