(-12+x)(3x+5)=

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Solution for (-12+x)(3x+5)= equation:


Simplifying
(-12 + x)(3x + 5) = 0

Reorder the terms:
(-12 + x)(5 + 3x) = 0

Multiply (-12 + x) * (5 + 3x)
(-12(5 + 3x) + x(5 + 3x)) = 0
((5 * -12 + 3x * -12) + x(5 + 3x)) = 0
((-60 + -36x) + x(5 + 3x)) = 0
(-60 + -36x + (5 * x + 3x * x)) = 0
(-60 + -36x + (5x + 3x2)) = 0

Combine like terms: -36x + 5x = -31x
(-60 + -31x + 3x2) = 0

Solving
-60 + -31x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -3x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -3x)' equal to zero and attempt to solve: Simplifying -5 + -3x = 0 Solving -5 + -3x = 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 + -3x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -3x = 0 + 5 -3x = 0 + 5 Combine like terms: 0 + 5 = 5 -3x = 5 Divide each side by '-3'. x = -1.666666667 Simplifying x = -1.666666667

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-1.666666667, 12}

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