(3x-5)(2x+9)=

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Solution for (3x-5)(2x+9)= equation:


Simplifying
(3x + -5)(2x + 9) = 0

Reorder the terms:
(-5 + 3x)(2x + 9) = 0

Reorder the terms:
(-5 + 3x)(9 + 2x) = 0

Multiply (-5 + 3x) * (9 + 2x)
(-5(9 + 2x) + 3x * (9 + 2x)) = 0
((9 * -5 + 2x * -5) + 3x * (9 + 2x)) = 0
((-45 + -10x) + 3x * (9 + 2x)) = 0
(-45 + -10x + (9 * 3x + 2x * 3x)) = 0
(-45 + -10x + (27x + 6x2)) = 0

Combine like terms: -10x + 27x = 17x
(-45 + 17x + 6x2) = 0

Solving
-45 + 17x + 6x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -2x)(5 + -3x) = 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 '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 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 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-4.5, 1.666666667}

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