(5x-6)(2x+9)=

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Solution for (5x-6)(2x+9)= equation:


Simplifying
(5x + -6)(2x + 9) = 0

Reorder the terms:
(-6 + 5x)(2x + 9) = 0

Reorder the terms:
(-6 + 5x)(9 + 2x) = 0

Multiply (-6 + 5x) * (9 + 2x)
(-6(9 + 2x) + 5x * (9 + 2x)) = 0
((9 * -6 + 2x * -6) + 5x * (9 + 2x)) = 0
((-54 + -12x) + 5x * (9 + 2x)) = 0
(-54 + -12x + (9 * 5x + 2x * 5x)) = 0
(-54 + -12x + (45x + 10x2)) = 0

Combine like terms: -12x + 45x = 33x
(-54 + 33x + 10x2) = 0

Solving
-54 + 33x + 10x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(6 + -5x) = 0

Subproblem 1

Set the factor '(-9 + -2x)' equal to zero and attempt to solve: Simplifying -9 + -2x = 0 Solving -9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x = 0 + 9 -2x = 0 + 9 Combine like terms: 0 + 9 = 9 -2x = 9 Divide each side by '-2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 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 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {-4.5, 1.2}

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