7x^2-20x-132=0

Solution for 7x^2-20x-132=0 equation:

Simplifying
7x2 + -20x + -132 = 0

Reorder the terms:
-132 + -20x + 7x2 = 0

Solving
-132 + -20x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-22 + -7x)(6 + -1x) = 0

Subproblem 1
Set the factor '(-22 + -7x)' equal to zero and attempt to solve:

Simplifying
-22 + -7x = 0

Solving
-22 + -7x = 0

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

Add '22' to each side of the equation.
-22 + 22 + -7x = 0 + 22

Combine like terms: -22 + 22 = 0
0 + -7x = 0 + 22
-7x = 0 + 22

Combine like terms: 0 + 22 = 22
-7x = 22

Divide each side by '-7'.
x = -3.142857143

Simplifying
x = -3.142857143
Subproblem 2
Set the factor '(6 + -1x)' equal to zero and attempt to solve:

Simplifying
6 + -1x = 0

Solving
6 + -1x = 0

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

Add '-6' to each side of the equation.
6 + -6 + -1x = 0 + -6

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

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

Divide each side by '-1'.
x = 6

Simplifying
x = 6
Solution
x = {-3.142857143, 6}