8x^2+3x=5

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Solution for 8x^2+3x=5 equation:


Simplifying
8x2 + 3x = 5

Reorder the terms:
3x + 8x2 = 5

Solving
3x + 8x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 3x + 8x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 3x + 8x2 = 0

Factor a trinomial.
(-1 + -1x)(5 + -8x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(5 + -8x)' equal to zero and attempt to solve: Simplifying 5 + -8x = 0 Solving 5 + -8x = 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 + -8x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -8x = 0 + -5 -8x = 0 + -5 Combine like terms: 0 + -5 = -5 -8x = -5 Divide each side by '-8'. x = 0.625 Simplifying x = 0.625

Solution

x = {-1, 0.625}

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