4y(4y)-25=0

Solution for 4y(4y)-25=0 equation:

Simplifying
4y(4y) + -25 = 0

Remove parenthesis around (4y)
4y * 4y + -25 = 0

Reorder the terms for easier multiplication:
4 * 4y * y + -25 = 0

Multiply 4 * 4
16y * y + -25 = 0

Multiply y * y
16y2 + -25 = 0

Reorder the terms:
-25 + 16y2 = 0

Solving
-25 + 16y2 = 0

Solving for variable 'y'.

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

Add '25' to each side of the equation.
-25 + 25 + 16y2 = 0 + 25

Combine like terms: -25 + 25 = 0
0 + 16y2 = 0 + 25
16y2 = 0 + 25

Combine like terms: 0 + 25 = 25
16y2 = 25

Divide each side by '16'.
y2 = 1.5625

Simplifying
y2 = 1.5625

Take the square root of each side:
y = {-1.25, 1.25}