15=14x+8x^2

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Solution for 15=14x+8x^2 equation:


Simplifying
15 = 14x + 8x2

Solving
15 = 14x + 8x2

Solving for variable 'x'.

Reorder the terms:
15 + -14x + -8x2 = 14x + -14x + 8x2 + -8x2

Combine like terms: 14x + -14x = 0
15 + -14x + -8x2 = 0 + 8x2 + -8x2
15 + -14x + -8x2 = 8x2 + -8x2

Combine like terms: 8x2 + -8x2 = 0
15 + -14x + -8x2 = 0

Factor a trinomial.
(3 + -4x)(5 + 2x) = 0

Subproblem 1

Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75

Subproblem 2

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 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 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {0.75, -2.5}

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