100y^2-90+8=0

Solution for 100y^2-90+8=0 equation:

Simplifying
100y2 + -90 + 8 = 0

Reorder the terms:
-90 + 8 + 100y2 = 0

Combine like terms: -90 + 8 = -82
-82 + 100y2 = 0

Solving
-82 + 100y2 = 0

Solving for variable 'y'.

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

Add '82' to each side of the equation.
-82 + 82 + 100y2 = 0 + 82

Combine like terms: -82 + 82 = 0
0 + 100y2 = 0 + 82
100y2 = 0 + 82

Combine like terms: 0 + 82 = 82
100y2 = 82

Divide each side by '100'.
y2 = 0.82

Simplifying
y2 = 0.82

Take the square root of each side:
y = {-0.905538514, 0.905538514}