-7x+15x^2=20x

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Solution for -7x+15x^2=20x equation:


Simplifying
-7x + 15x2 = 20x

Solving
-7x + 15x2 = 20x

Solving for variable 'x'.

Reorder the terms:
-7x + -20x + 15x2 = 20x + -20x

Combine like terms: -7x + -20x = -27x
-27x + 15x2 = 20x + -20x

Combine like terms: 20x + -20x = 0
-27x + 15x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-9 + 5x) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-9 + 5x)' equal to zero and attempt to solve: Simplifying -9 + 5x = 0 Solving -9 + 5x = 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 + 5x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 5x = 0 + 9 5x = 0 + 9 Combine like terms: 0 + 9 = 9 5x = 9 Divide each side by '5'. x = 1.8 Simplifying x = 1.8

Solution

x = {0, 1.8}

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