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

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


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

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

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

Multiply (-2 + 5x) * (-5 + -1x)
(-2(-5 + -1x) + 5x * (-5 + -1x)) = 0
((-5 * -2 + -1x * -2) + 5x * (-5 + -1x)) = 0
((10 + 2x) + 5x * (-5 + -1x)) = 0
(10 + 2x + (-5 * 5x + -1x * 5x)) = 0
(10 + 2x + (-25x + -5x2)) = 0

Combine like terms: 2x + -25x = -23x
(10 + -23x + -5x2) = 0

Solving
10 + -23x + -5x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(2 + -5x)' equal to zero and attempt to solve: Simplifying 2 + -5x = 0 Solving 2 + -5x = 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 + -5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5x = 0 + -2 -5x = 0 + -2 Combine like terms: 0 + -2 = -2 -5x = -2 Divide each side by '-5'. x = 0.4 Simplifying x = 0.4

Subproblem 2

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 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 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Solution

x = {0.4, -5}

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