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Simplifying
25y2 + 13 = 178
Reorder the terms:
13 + 25y2 = 178
Solving
13 + 25y2 = 178
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-13' to each side of the equation.
13 + -13 + 25y2 = 178 + -13
Combine like terms: 13 + -13 = 0
0 + 25y2 = 178 + -13
25y2 = 178 + -13
Combine like terms: 178 + -13 = 165
25y2 = 165
Divide each side by '25'.
y2 = 6.6
Simplifying
y2 = 6.6
Take the square root of each side:
y = {-2.569046516, 2.569046516}
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