(x-5)(x+10)=

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


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

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

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

Multiply (-5 + x) * (10 + x)
(-5(10 + x) + x(10 + x)) = 0
((10 * -5 + x * -5) + x(10 + x)) = 0
((-50 + -5x) + x(10 + x)) = 0
(-50 + -5x + (10 * x + x * x)) = 0
(-50 + -5x + (10x + x2)) = 0

Combine like terms: -5x + 10x = 5x
(-50 + 5x + x2) = 0

Solving
-50 + 5x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-10 + -1x)' equal to zero and attempt to solve: Simplifying -10 + -1x = 0 Solving -10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + -1x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + -1x = 0 + 10 -1x = 0 + 10 Combine like terms: 0 + 10 = 10 -1x = 10 Divide each side by '-1'. x = -10 Simplifying x = -10

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-10, 5}

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