18x=16x^2-9

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Solution for 18x=16x^2-9 equation:


Simplifying
18x = 16x2 + -9

Reorder the terms:
18x = -9 + 16x2

Solving
18x = -9 + 16x2

Solving for variable 'x'.

Reorder the terms:
9 + 18x + -16x2 = -9 + 16x2 + 9 + -16x2

Reorder the terms:
9 + 18x + -16x2 = -9 + 9 + 16x2 + -16x2

Combine like terms: -9 + 9 = 0
9 + 18x + -16x2 = 0 + 16x2 + -16x2
9 + 18x + -16x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
9 + 18x + -16x2 = 0

Factor a trinomial.
(3 + -2x)(3 + 8x) = 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 '(3 + 8x)' equal to zero and attempt to solve: Simplifying 3 + 8x = 0 Solving 3 + 8x = 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 + 8x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8x = 0 + -3 8x = 0 + -3 Combine like terms: 0 + -3 = -3 8x = -3 Divide each side by '8'. x = -0.375 Simplifying x = -0.375

Solution

x = {1.5, -0.375}

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