(-2x+6)*(3x-15)=0

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Solution for (-2x+6)*(3x-15)=0 equation:


Simplifying
(-2x + 6)(3x + -15) = 0

Reorder the terms:
(6 + -2x)(3x + -15) = 0

Reorder the terms:
(6 + -2x)(-15 + 3x) = 0

Multiply (6 + -2x) * (-15 + 3x)
(6(-15 + 3x) + -2x * (-15 + 3x)) = 0
((-15 * 6 + 3x * 6) + -2x * (-15 + 3x)) = 0
((-90 + 18x) + -2x * (-15 + 3x)) = 0
(-90 + 18x + (-15 * -2x + 3x * -2x)) = 0
(-90 + 18x + (30x + -6x2)) = 0

Combine like terms: 18x + 30x = 48x
(-90 + 48x + -6x2) = 0

Solving
-90 + 48x + -6x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '6'.
6(-15 + 8x + -1x2) = 0

Factor a trinomial.
6((-5 + x)(3 + -1x)) = 0

Ignore the factor 6.

Subproblem 1

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

Subproblem 2

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

Solution

x = {5, 3}

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