x^2=70-9x

Solution for x^2=70-9x equation:

Simplifying
x2 = 70 + -9x

Solving
x2 = 70 + -9x

Solving for variable 'x'.

Reorder the terms:
-70 + 9x + x2 = 70 + -9x + -70 + 9x

Reorder the terms:
-70 + 9x + x2 = 70 + -70 + -9x + 9x

Combine like terms: 70 + -70 = 0
-70 + 9x + x2 = 0 + -9x + 9x
-70 + 9x + x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
-70 + 9x + x2 = 0

Factor a trinomial.
(-14 + -1x)(5 + -1x) = 0

Subproblem 1
Set the factor '(-14 + -1x)' equal to zero and attempt to solve:

Simplifying
-14 + -1x = 0

Solving
-14 + -1x = 0

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

Add '14' to each side of the equation.
-14 + 14 + -1x = 0 + 14

Combine like terms: -14 + 14 = 0
0 + -1x = 0 + 14
-1x = 0 + 14

Combine like terms: 0 + 14 = 14
-1x = 14

Divide each side by '-1'.
x = -14

Simplifying
x = -14
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 = {-14, 5}