15x^2+2x=56

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Solution for 15x^2+2x=56 equation:


Simplifying
15x2 + 2x = 56

Reorder the terms:
2x + 15x2 = 56

Solving
2x + 15x2 = 56

Solving for variable 'x'.

Reorder the terms:
-56 + 2x + 15x2 = 56 + -56

Combine like terms: 56 + -56 = 0
-56 + 2x + 15x2 = 0

Factor a trinomial.
(-2 + -1x)(28 + -15x) = 0

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 '(28 + -15x)' equal to zero and attempt to solve: Simplifying 28 + -15x = 0 Solving 28 + -15x = 0 Move all terms containing x to the left, all other terms to the right. Add '-28' to each side of the equation. 28 + -28 + -15x = 0 + -28 Combine like terms: 28 + -28 = 0 0 + -15x = 0 + -28 -15x = 0 + -28 Combine like terms: 0 + -28 = -28 -15x = -28 Divide each side by '-15'. x = 1.866666667 Simplifying x = 1.866666667

Solution

x = {-2, 1.866666667}

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