-x^2+5x=-20+6x

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Solution for -x^2+5x=-20+6x equation: 


Simplifying
-1x2 + 5x = -20 + 6x

Reorder the terms:
5x + -1x2 = -20 + 6x

Solving
5x + -1x2 = -20 + 6x

Solving for variable 'x'.

Reorder the terms:
20 + 5x + -6x + -1x2 = -20 + 6x + 20 + -6x

Combine like terms: 5x + -6x = -1x
20 + -1x + -1x2 = -20 + 6x + 20 + -6x

Reorder the terms:
20 + -1x + -1x2 = -20 + 20 + 6x + -6x

Combine like terms: -20 + 20 = 0
20 + -1x + -1x2 = 0 + 6x + -6x
20 + -1x + -1x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
20 + -1x + -1x2 = 0

Factor a trinomial.
(4 + -1x)(5 + x) = 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 '(5 + x)' equal to zero and attempt to solve:

Simplifying
5 + x = 0

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

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

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

Simplifying
x = -5
Solution
x = {4, -5}

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