4x(x+6)-5(x+6)=0

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Solution for 4x(x+6)-5(x+6)=0 equation:


Simplifying
4x(x + 6) + -5(x + 6) = 0

Reorder the terms:
4x(6 + x) + -5(x + 6) = 0
(6 * 4x + x * 4x) + -5(x + 6) = 0
(24x + 4x2) + -5(x + 6) = 0

Reorder the terms:
24x + 4x2 + -5(6 + x) = 0
24x + 4x2 + (6 * -5 + x * -5) = 0
24x + 4x2 + (-30 + -5x) = 0

Reorder the terms:
-30 + 24x + -5x + 4x2 = 0

Combine like terms: 24x + -5x = 19x
-30 + 19x + 4x2 = 0

Solving
-30 + 19x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-6 + -1x)(5 + -4x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-6, 1.25}

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