-8x+4=2x^2+5x-3

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Solution for -8x+4=2x^2+5x-3 equation: 


Simplifying
-8x + 4 = 2x2 + 5x + -3

Reorder the terms:
4 + -8x = 2x2 + 5x + -3

Reorder the terms:
4 + -8x = -3 + 5x + 2x2

Solving
4 + -8x = -3 + 5x + 2x2

Solving for variable 'x'.

Reorder the terms:
4 + 3 + -8x + -5x + -2x2 = -3 + 5x + 2x2 + 3 + -5x + -2x2

Combine like terms: 4 + 3 = 7
7 + -8x + -5x + -2x2 = -3 + 5x + 2x2 + 3 + -5x + -2x2

Combine like terms: -8x + -5x = -13x
7 + -13x + -2x2 = -3 + 5x + 2x2 + 3 + -5x + -2x2

Reorder the terms:
7 + -13x + -2x2 = -3 + 3 + 5x + -5x + 2x2 + -2x2

Combine like terms: -3 + 3 = 0
7 + -13x + -2x2 = 0 + 5x + -5x + 2x2 + -2x2
7 + -13x + -2x2 = 5x + -5x + 2x2 + -2x2

Combine like terms: 5x + -5x = 0
7 + -13x + -2x2 = 0 + 2x2 + -2x2
7 + -13x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
7 + -13x + -2x2 = 0

Factor a trinomial.
(1 + -2x)(7 + x) = 0


Subproblem 1
Set the factor '(1 + -2x)' equal to zero and attempt to solve:

Simplifying
1 + -2x = 0

Solving
1 + -2x = 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 + -2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 0 + -1
-2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5

Subproblem 2
Set the factor '(7 + x)' equal to zero and attempt to solve:

Simplifying
7 + x = 0

Solving
7 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-7' to each side of the equation.
7 + -7 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7
Solution
x = {0.5, -7}

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