4x(5x-6)=9

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Solution for 4x(5x-6)=9 equation:


Simplifying
4x(5x + -6) = 9

Reorder the terms:
4x(-6 + 5x) = 9
(-6 * 4x + 5x * 4x) = 9
(-24x + 20x2) = 9

Solving
-24x + 20x2 = 9

Solving for variable 'x'.

Reorder the terms:
-9 + -24x + 20x2 = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -24x + 20x2 = 0

Factor a trinomial.
(-3 + -10x)(3 + -2x) = 0

Subproblem 1

Set the factor '(-3 + -10x)' equal to zero and attempt to solve: Simplifying -3 + -10x = 0 Solving -3 + -10x = 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 + -10x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -10x = 0 + 3 -10x = 0 + 3 Combine like terms: 0 + 3 = 3 -10x = 3 Divide each side by '-10'. x = -0.3 Simplifying x = -0.3

Subproblem 2

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 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 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {-0.3, 1.5}

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