72x^2+5-7=0

Solution for 72x^2+5-7=0 equation:

Simplifying
72x2 + 5 + -7 = 0

Reorder the terms:
5 + -7 + 72x2 = 0

Combine like terms: 5 + -7 = -2
-2 + 72x2 = 0

Solving
-2 + 72x2 = 0

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 72x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 72x2 = 0 + 2
72x2 = 0 + 2

Combine like terms: 0 + 2 = 2
72x2 = 2

Divide each side by '72'.
x2 = 0.02777777778

Simplifying
x2 = 0.02777777778

Take the square root of each side:
x = {-0.166666667, 0.166666667}