29(x*x)-9=87

Solution for 29(x*x)-9=87 equation:

Simplifying
29(x * x) + -9 = 87

Multiply x * x
29(x2) + -9 = 87

Reorder the terms:
-9 + 29x2 = 87

Solving
-9 + 29x2 = 87

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 29x2 = 87 + 9

Combine like terms: -9 + 9 = 0
0 + 29x2 = 87 + 9
29x2 = 87 + 9

Combine like terms: 87 + 9 = 96
29x2 = 96

Divide each side by '29'.
x2 = 3.310344828

Simplifying
x2 = 3.310344828

Take the square root of each side:
x = {-1.819435305, 1.819435305}