(4y-3)(2y+3)-8y(y-4)=0

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Solution for (4y-3)(2y+3)-8y(y-4)=0 equation:


Simplifying
(4y + -3)(2y + 3) + -8y(y + -4) = 0

Reorder the terms:
(-3 + 4y)(2y + 3) + -8y(y + -4) = 0

Reorder the terms:
(-3 + 4y)(3 + 2y) + -8y(y + -4) = 0

Multiply (-3 + 4y) * (3 + 2y)
(-3(3 + 2y) + 4y * (3 + 2y)) + -8y(y + -4) = 0
((3 * -3 + 2y * -3) + 4y * (3 + 2y)) + -8y(y + -4) = 0
((-9 + -6y) + 4y * (3 + 2y)) + -8y(y + -4) = 0
(-9 + -6y + (3 * 4y + 2y * 4y)) + -8y(y + -4) = 0
(-9 + -6y + (12y + 8y2)) + -8y(y + -4) = 0

Combine like terms: -6y + 12y = 6y
(-9 + 6y + 8y2) + -8y(y + -4) = 0

Reorder the terms:
-9 + 6y + 8y2 + -8y(-4 + y) = 0
-9 + 6y + 8y2 + (-4 * -8y + y * -8y) = 0
-9 + 6y + 8y2 + (32y + -8y2) = 0

Reorder the terms:
-9 + 6y + 32y + 8y2 + -8y2 = 0

Combine like terms: 6y + 32y = 38y
-9 + 38y + 8y2 + -8y2 = 0

Combine like terms: 8y2 + -8y2 = 0
-9 + 38y + 0 = 0
-9 + 38y = 0

Solving
-9 + 38y = 0

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 38y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 38y = 0 + 9
38y = 0 + 9

Combine like terms: 0 + 9 = 9
38y = 9

Divide each side by '38'.
y = 0.2368421053

Simplifying
y = 0.2368421053

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