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Simplifying
12y(3y) = 28
Remove parenthesis around (3y)
12y * 3y = 28
Reorder the terms for easier multiplication:
12 * 3y * y = 28
Multiply 12 * 3
36y * y = 28
Multiply y * y
36y2 = 28
Solving
36y2 = 28
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Divide each side by '36'.
y2 = 0.7777777778
Simplifying
y2 = 0.7777777778
Take the square root of each side:
y = {-0.881917104, 0.881917104}
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