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Simplifying
10y2 + -4 = 45
Reorder the terms:
-4 + 10y2 = 45
Solving
-4 + 10y2 = 45
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 + 10y2 = 45 + 4
Combine like terms: -4 + 4 = 0
0 + 10y2 = 45 + 4
10y2 = 45 + 4
Combine like terms: 45 + 4 = 49
10y2 = 49
Divide each side by '10'.
y2 = 4.9
Simplifying
y2 = 4.9
Take the square root of each side:
y = {-2.213594362, 2.213594362}
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