(-3-1x)(5-2x)=0

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Solution for (-3-1x)(5-2x)=0 equation:


Simplifying
(-3 + -1x)(5 + -2x) = 0

Multiply (-3 + -1x) * (5 + -2x)
(-3(5 + -2x) + -1x * (5 + -2x)) = 0
((5 * -3 + -2x * -3) + -1x * (5 + -2x)) = 0
((-15 + 6x) + -1x * (5 + -2x)) = 0
(-15 + 6x + (5 * -1x + -2x * -1x)) = 0
(-15 + 6x + (-5x + 2x2)) = 0

Combine like terms: 6x + -5x = 1x
(-15 + 1x + 2x2) = 0

Solving
-15 + 1x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -1x)(5 + -2x) = 0

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

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 = {-3, 2.5}

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