25y^2-46+21=

Solution for 25y^2-46+21= equation:

Simplifying
25y2 + -46 + 21 = 0

Reorder the terms:
-46 + 21 + 25y2 = 0

Combine like terms: -46 + 21 = -25
-25 + 25y2 = 0

Solving
-25 + 25y2 = 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 + 25y2 = 0 + 25

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

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

Divide each side by '25'.
y2 = 1

Simplifying
y2 = 1

Take the square root of each side:
y = {-1, 1}