15x^2-17x+4=8

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Solution for 15x^2-17x+4=8 equation:


Simplifying
15x2 + -17x + 4 = 8

Reorder the terms:
4 + -17x + 15x2 = 8

Solving
4 + -17x + 15x2 = 8

Solving for variable 'x'.

Reorder the terms:
4 + -8 + -17x + 15x2 = 8 + -8

Combine like terms: 4 + -8 = -4
-4 + -17x + 15x2 = 8 + -8

Combine like terms: 8 + -8 = 0
-4 + -17x + 15x2 = 0

Factor a trinomial.
(-1 + -5x)(4 + -3x) = 0

Subproblem 1

Set the factor '(-1 + -5x)' equal to zero and attempt to solve: Simplifying -1 + -5x = 0 Solving -1 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -5x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -5x = 0 + 1 -5x = 0 + 1 Combine like terms: 0 + 1 = 1 -5x = 1 Divide each side by '-5'. x = -0.2 Simplifying x = -0.2

Subproblem 2

Set the factor '(4 + -3x)' equal to zero and attempt to solve: Simplifying 4 + -3x = 0 Solving 4 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3x = 0 + -4 -3x = 0 + -4 Combine like terms: 0 + -4 = -4 -3x = -4 Divide each side by '-3'. x = 1.333333333 Simplifying x = 1.333333333

Solution

x = {-0.2, 1.333333333}

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