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

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Solution for (-2x-5)(-x+1)=0 equation:


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

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

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

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

Combine like terms: 5x + -2x = 3x
(-5 + 3x + 2x2) = 0

Solving
-5 + 3x + 2x2 = 0

Solving for variable 'x'.

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {-2.5, 1}

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