0=15x^2-34x-16

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Solution for 0=15x^2-34x-16 equation:


Simplifying
0 = 15x2 + -34x + -16

Reorder the terms:
0 = -16 + -34x + 15x2

Solving
0 = -16 + -34x + 15x2

Solving for variable 'x'.

Combine like terms: 0 + 16 = 16
16 + 34x + -15x2 = -16 + -34x + 15x2 + 16 + 34x + -15x2

Reorder the terms:
16 + 34x + -15x2 = -16 + 16 + -34x + 34x + 15x2 + -15x2

Combine like terms: -16 + 16 = 0
16 + 34x + -15x2 = 0 + -34x + 34x + 15x2 + -15x2
16 + 34x + -15x2 = -34x + 34x + 15x2 + -15x2

Combine like terms: -34x + 34x = 0
16 + 34x + -15x2 = 0 + 15x2 + -15x2
16 + 34x + -15x2 = 15x2 + -15x2

Combine like terms: 15x2 + -15x2 = 0
16 + 34x + -15x2 = 0

Factor a trinomial.
(8 + -3x)(2 + 5x) = 0

Subproblem 1

Set the factor '(8 + -3x)' equal to zero and attempt to solve: Simplifying 8 + -3x = 0 Solving 8 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3x = 0 + -8 -3x = 0 + -8 Combine like terms: 0 + -8 = -8 -3x = -8 Divide each side by '-3'. x = 2.666666667 Simplifying x = 2.666666667

Subproblem 2

Set the factor '(2 + 5x)' equal to zero and attempt to solve: Simplifying 2 + 5x = 0 Solving 2 + 5x = 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 + 5x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 5x = 0 + -2 5x = 0 + -2 Combine like terms: 0 + -2 = -2 5x = -2 Divide each side by '5'. x = -0.4 Simplifying x = -0.4

Solution

x = {2.666666667, -0.4}

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