3x^2+40x=13x

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Solution for 3x^2+40x=13x equation:


Simplifying
3x2 + 40x = 13x

Reorder the terms:
40x + 3x2 = 13x

Solving
40x + 3x2 = 13x

Solving for variable 'x'.

Reorder the terms:
40x + -13x + 3x2 = 13x + -13x

Combine like terms: 40x + -13x = 27x
27x + 3x2 = 13x + -13x

Combine like terms: 13x + -13x = 0
27x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(9 + x) = 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 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 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 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Solution

x = {0, -9}

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