15x^2+5x=50

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Solution for 15x^2+5x=50 equation:


Simplifying
15x2 + 5x = 50

Reorder the terms:
5x + 15x2 = 50

Solving
5x + 15x2 = 50

Solving for variable 'x'.

Reorder the terms:
-50 + 5x + 15x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-50 + 5x + 15x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-10 + x + 3x2) = 0

Factor a trinomial.
5((-2 + -1x)(5 + -3x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-2, 1.666666667}

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