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Simplifying
3y * -4y + 7 = 0
Reorder the terms for easier multiplication:
3 * -4y * y + 7 = 0
Multiply 3 * -4
-12y * y + 7 = 0
Multiply y * y
-12y2 + 7 = 0
Reorder the terms:
7 + -12y2 = 0
Solving
7 + -12y2 = 0
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + -12y2 = 0 + -7
Combine like terms: 7 + -7 = 0
0 + -12y2 = 0 + -7
-12y2 = 0 + -7
Combine like terms: 0 + -7 = -7
-12y2 = -7
Divide each side by '-12'.
y2 = 0.5833333333
Simplifying
y2 = 0.5833333333
Take the square root of each side:
y = {-0.763762616, 0.763762616}
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