6x^2=15x-9

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Solution for 6x^2=15x-9 equation:


Simplifying
6x2 = 15x + -9

Reorder the terms:
6x2 = -9 + 15x

Solving
6x2 = -9 + 15x

Solving for variable 'x'.

Reorder the terms:
9 + -15x + 6x2 = -9 + 15x + 9 + -15x

Reorder the terms:
9 + -15x + 6x2 = -9 + 9 + 15x + -15x

Combine like terms: -9 + 9 = 0
9 + -15x + 6x2 = 0 + 15x + -15x
9 + -15x + 6x2 = 15x + -15x

Combine like terms: 15x + -15x = 0
9 + -15x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(3 + -5x + 2x2) = 0

Factor a trinomial.
3((1 + -1x)(3 + -2x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

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 = {1, 1.5}

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