9x(x-3)=5x^2-28x

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Solution for 9x(x-3)=5x^2-28x equation:


Simplifying
9x(x + -3) = 5x2 + -28x

Reorder the terms:
9x(-3 + x) = 5x2 + -28x
(-3 * 9x + x * 9x) = 5x2 + -28x
(-27x + 9x2) = 5x2 + -28x

Reorder the terms:
-27x + 9x2 = -28x + 5x2

Solving
-27x + 9x2 = -28x + 5x2

Solving for variable 'x'.

Reorder the terms:
-27x + 28x + 9x2 + -5x2 = -28x + 5x2 + 28x + -5x2

Combine like terms: -27x + 28x = 1x
1x + 9x2 + -5x2 = -28x + 5x2 + 28x + -5x2

Combine like terms: 9x2 + -5x2 = 4x2
1x + 4x2 = -28x + 5x2 + 28x + -5x2

Reorder the terms:
1x + 4x2 = -28x + 28x + 5x2 + -5x2

Combine like terms: -28x + 28x = 0
1x + 4x2 = 0 + 5x2 + -5x2
1x + 4x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
1x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + 4x) = 0

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 '(1 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 4x = 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 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25

Solution

x = {0, -0.25}

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