-9x^2+15x=4

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Solution for -9x^2+15x=4 equation:


Simplifying
-9x2 + 15x = 4

Reorder the terms:
15x + -9x2 = 4

Solving
15x + -9x2 = 4

Solving for variable 'x'.

Reorder the terms:
-4 + 15x + -9x2 = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + 15x + -9x2 = 0

Factor a trinomial.
(-4 + 3x)(1 + -3x) = 0

Subproblem 1

Set the factor '(-4 + 3x)' equal to zero and attempt to solve: Simplifying -4 + 3x = 0 Solving -4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + 3x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 3x = 0 + 4 3x = 0 + 4 Combine like terms: 0 + 4 = 4 3x = 4 Divide each side by '3'. x = 1.333333333 Simplifying x = 1.333333333

Subproblem 2

Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333

Solution

x = {1.333333333, 0.3333333333}

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