=90x^2-19-90

Solution for =90x^2-19-90 equation:

Simplifying
0 = 90x2 + -19 + -90

Reorder the terms:
0 = -19 + -90 + 90x2

Combine like terms: -19 + -90 = -109
0 = -109 + 90x2

Solving
0 = -109 + 90x2

Solving for variable 'x'.

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

Add '-90x2' to each side of the equation.
0 + -90x2 = -109 + 90x2 + -90x2
Remove the zero:
-90x2 = -109 + 90x2 + -90x2

Combine like terms: 90x2 + -90x2 = 0
-90x2 = -109 + 0
-90x2 = -109

Divide each side by '-90'.
x2 = 1.211111111

Simplifying
x2 = 1.211111111

Take the square root of each side:
x = {-1.100504935, 1.100504935}