4x^2+36-40=0

Solution for 4x^2+36-40=0 equation:

Simplifying
4x2 + 36 + -40 = 0

Reorder the terms:
36 + -40 + 4x2 = 0

Combine like terms: 36 + -40 = -4
-4 + 4x2 = 0

Solving
-4 + 4x2 = 0

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + 4x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 4x2 = 0 + 4
4x2 = 0 + 4

Combine like terms: 0 + 4 = 4
4x2 = 4

Divide each side by '4'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}