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Simplifying
25y2 + -4 = 0
Reorder the terms:
-4 + 25y2 = 0
Solving
-4 + 25y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 25y2 = 0 + 4
Combine like terms: -4 + 4 = 0
0 + 25y2 = 0 + 4
25y2 = 0 + 4
Combine like terms: 0 + 4 = 4
25y2 = 4
Divide each side by '25'.
y2 = 0.16
Simplifying
y2 = 0.16
Take the square root of each side:
y = {-0.4, 0.4}
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