(9x-7)(2x+3)=0

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Solution for (9x-7)(2x+3)=0 equation:


Simplifying
(9x + -7)(2x + 3) = 0

Reorder the terms:
(-7 + 9x)(2x + 3) = 0

Reorder the terms:
(-7 + 9x)(3 + 2x) = 0

Multiply (-7 + 9x) * (3 + 2x)
(-7(3 + 2x) + 9x * (3 + 2x)) = 0
((3 * -7 + 2x * -7) + 9x * (3 + 2x)) = 0
((-21 + -14x) + 9x * (3 + 2x)) = 0
(-21 + -14x + (3 * 9x + 2x * 9x)) = 0
(-21 + -14x + (27x + 18x2)) = 0

Combine like terms: -14x + 27x = 13x
(-21 + 13x + 18x2) = 0

Solving
-21 + 13x + 18x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -2x)(7 + -9x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -9x)' equal to zero and attempt to solve: Simplifying 7 + -9x = 0 Solving 7 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -9x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -9x = 0 + -7 -9x = 0 + -7 Combine like terms: 0 + -7 = -7 -9x = -7 Divide each side by '-9'. x = 0.7777777778 Simplifying x = 0.7777777778

Solution

x = {-1.5, 0.7777777778}

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