7x^2-23-20=

Solution for 7x^2-23-20= equation:

Simplifying
7x2 + -23 + -20 = 0

Reorder the terms:
-23 + -20 + 7x2 = 0

Combine like terms: -23 + -20 = -43
-43 + 7x2 = 0

Solving
-43 + 7x2 = 0

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + 7x2 = 0 + 43

Combine like terms: -43 + 43 = 0
0 + 7x2 = 0 + 43
7x2 = 0 + 43

Combine like terms: 0 + 43 = 43
7x2 = 43

Divide each side by '7'.
x2 = 6.142857143

Simplifying
x2 = 6.142857143

Take the square root of each side:
x = {-2.478478796, 2.478478796}