3x^2-5=8x+30

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Solution for 3x^2-5=8x+30 equation: 


Simplifying
3x2 + -5 = 8x + 30

Reorder the terms:
-5 + 3x2 = 8x + 30

Reorder the terms:
-5 + 3x2 = 30 + 8x

Solving
-5 + 3x2 = 30 + 8x

Solving for variable 'x'.

Reorder the terms:
-5 + -30 + -8x + 3x2 = 30 + 8x + -30 + -8x

Combine like terms: -5 + -30 = -35
-35 + -8x + 3x2 = 30 + 8x + -30 + -8x

Reorder the terms:
-35 + -8x + 3x2 = 30 + -30 + 8x + -8x

Combine like terms: 30 + -30 = 0
-35 + -8x + 3x2 = 0 + 8x + -8x
-35 + -8x + 3x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
-35 + -8x + 3x2 = 0

Factor a trinomial.
(-7 + -3x)(5 + -1x) = 0


Subproblem 1
Set the factor '(-7 + -3x)' equal to zero and attempt to solve:

Simplifying
-7 + -3x = 0

Solving
-7 + -3x = 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 + -3x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -3x = 0 + 7
-3x = 0 + 7

Combine like terms: 0 + 7 = 7
-3x = 7

Divide each side by '-3'.
x = -2.333333333

Simplifying
x = -2.333333333

Subproblem 2
Set the factor '(5 + -1x)' equal to zero and attempt to solve:

Simplifying
5 + -1x = 0

Solving
5 + -1x = 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 + -1x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -1x = 0 + -5
-1x = 0 + -5

Combine like terms: 0 + -5 = -5
-1x = -5

Divide each side by '-1'.
x = 5

Simplifying
x = 5
Solution
x = {-2.333333333, 5}

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