4(x^2+1)=160

Solution for 4(x^2+1)=160 equation:

Simplifying
4(x2 + 1) = 160

Reorder the terms:
4(1 + x2) = 160
(1 * 4 + x2 * 4) = 160
(4 + 4x2) = 160

Solving
4 + 4x2 = 160

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 = 160 + -4

Combine like terms: 4 + -4 = 0
0 + 4x2 = 160 + -4
4x2 = 160 + -4

Combine like terms: 160 + -4 = 156
4x2 = 156

Divide each side by '4'.
x2 = 39

Simplifying
x2 = 39

Take the square root of each side:
x = {-6.244997998, 6.244997998}