16x^2-87-144=0

Solution for 16x^2-87-144=0 equation:

Simplifying
16x2 + -87 + -144 = 0

Reorder the terms:
-87 + -144 + 16x2 = 0

Combine like terms: -87 + -144 = -231
-231 + 16x2 = 0

Solving
-231 + 16x2 = 0

Solving for variable 'x'.

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

Add '231' to each side of the equation.
-231 + 231 + 16x2 = 0 + 231

Combine like terms: -231 + 231 = 0
0 + 16x2 = 0 + 231
16x2 = 0 + 231

Combine like terms: 0 + 231 = 231
16x2 = 231

Divide each side by '16'.
x2 = 14.4375

Simplifying
x2 = 14.4375

Take the square root of each side:
x = {-3.799671038, 3.799671038}