x*x-20x+36=-8x+4

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Solution for x*x-20x+36=-8x+4 equation: 


Simplifying
x * x + -20x + 36 = -8x + 4

Multiply x * x
x2 + -20x + 36 = -8x + 4

Reorder the terms:
36 + -20x + x2 = -8x + 4

Reorder the terms:
36 + -20x + x2 = 4 + -8x

Solving
36 + -20x + x2 = 4 + -8x

Solving for variable 'x'.

Reorder the terms:
36 + -4 + -20x + 8x + x2 = 4 + -8x + -4 + 8x

Combine like terms: 36 + -4 = 32
32 + -20x + 8x + x2 = 4 + -8x + -4 + 8x

Combine like terms: -20x + 8x = -12x
32 + -12x + x2 = 4 + -8x + -4 + 8x

Reorder the terms:
32 + -12x + x2 = 4 + -4 + -8x + 8x

Combine like terms: 4 + -4 = 0
32 + -12x + x2 = 0 + -8x + 8x
32 + -12x + x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
32 + -12x + x2 = 0

Factor a trinomial.
(4 + -1x)(8 + -1x) = 0


Subproblem 1
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 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 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4

Subproblem 2
Set the factor '(8 + -1x)' equal to zero and attempt to solve:

Simplifying
8 + -1x = 0

Solving
8 + -1x = 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 + -1x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -1x = 0 + -8
-1x = 0 + -8

Combine like terms: 0 + -8 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8
Solution
x = {4, 8}

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