(2x^2+5y^2)-(2x^2-5y^2)=

Solution for (2x^2+5y^2)-(2x^2-5y^2)= equation:

Simplifying
(2x2 + 5y2) + -1(2x2 + -5y2) = 0

Remove parenthesis around (2x2 + 5y2)
2x2 + 5y2 + -1(2x2 + -5y2) = 0
2x2 + 5y2 + (2x2 * -1 + -5y2 * -1) = 0
2x2 + 5y2 + (-2x2 + 5y2) = 0

Reorder the terms:
2x2 + -2x2 + 5y2 + 5y2 = 0

Combine like terms: 2x2 + -2x2 = 0
0 + 5y2 + 5y2 = 0
5y2 + 5y2 = 0

Combine like terms: 5y2 + 5y2 = 10y2
10y2 = 0

Solving
10y2 = 0

Solving for variable 'y'.

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

Divide each side by '10'.
y2 = 0.0

Simplifying
y2 = 0.0

Take the square root of each side:
y = {0.0}