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

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


Simplifying
(-2x + 5)(-1x + -10) = 0

Reorder the terms:
(5 + -2x)(-1x + -10) = 0

Reorder the terms:
(5 + -2x)(-10 + -1x) = 0

Multiply (5 + -2x) * (-10 + -1x)
(5(-10 + -1x) + -2x * (-10 + -1x)) = 0
((-10 * 5 + -1x * 5) + -2x * (-10 + -1x)) = 0
((-50 + -5x) + -2x * (-10 + -1x)) = 0
(-50 + -5x + (-10 * -2x + -1x * -2x)) = 0
(-50 + -5x + (20x + 2x2)) = 0

Combine like terms: -5x + 20x = 15x
(-50 + 15x + 2x2) = 0

Solving
-50 + 15x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-10 + -1x)(5 + -2x) = 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 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-10, 2.5}

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