(3y-4)*(7y+5u-5)=

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Solution for (3y-4)*(7y+5u-5)= equation: 


Simplifying
(3y + -4)(7y + 5u + -5) = 0

Reorder the terms:
(-4 + 3y)(7y + 5u + -5) = 0

Reorder the terms:
(-4 + 3y)(-5 + 5u + 7y) = 0

Multiply (-4 + 3y) * (-5 + 5u + 7y)
(-4(-5 + 5u + 7y) + 3y * (-5 + 5u + 7y)) = 0
((-5 * -4 + 5u * -4 + 7y * -4) + 3y * (-5 + 5u + 7y)) = 0
((20 + -20u + -28y) + 3y * (-5 + 5u + 7y)) = 0
(20 + -20u + -28y + (-5 * 3y + 5u * 3y + 7y * 3y)) = 0

Reorder the terms:
(20 + -20u + -28y + (15uy + -15y + 21y2)) = 0
(20 + -20u + -28y + (15uy + -15y + 21y2)) = 0

Reorder the terms:
(20 + -20u + 15uy + -28y + -15y + 21y2) = 0

Combine like terms: -28y + -15y = -43y
(20 + -20u + 15uy + -43y + 21y2) = 0

Solving
20 + -20u + 15uy + -43y + 21y2 = 0

Solving for variable 'u'.

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

Add '-20' to each side of the equation.
20 + -20u + 15uy + -43y + -20 + 21y2 = 0 + -20

Reorder the terms:
20 + -20 + -20u + 15uy + -43y + 21y2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -20u + 15uy + -43y + 21y2 = 0 + -20
-20u + 15uy + -43y + 21y2 = 0 + -20

Combine like terms: 0 + -20 = -20
-20u + 15uy + -43y + 21y2 = -20

Add '43y' to each side of the equation.
-20u + 15uy + -43y + 43y + 21y2 = -20 + 43y

Combine like terms: -43y + 43y = 0
-20u + 15uy + 0 + 21y2 = -20 + 43y
-20u + 15uy + 21y2 = -20 + 43y

Add '-21y2' to each side of the equation.
-20u + 15uy + 21y2 + -21y2 = -20 + 43y + -21y2

Combine like terms: 21y2 + -21y2 = 0
-20u + 15uy + 0 = -20 + 43y + -21y2
-20u + 15uy = -20 + 43y + -21y2

Reorder the terms:
20 + -20u + 15uy + -43y + 21y2 = -20 + 43y + -21y2 + 20 + -43y + 21y2

Reorder the terms:
20 + -20u + 15uy + -43y + 21y2 = -20 + 20 + 43y + -43y + -21y2 + 21y2

Combine like terms: -20 + 20 = 0
20 + -20u + 15uy + -43y + 21y2 = 0 + 43y + -43y + -21y2 + 21y2
20 + -20u + 15uy + -43y + 21y2 = 43y + -43y + -21y2 + 21y2

Combine like terms: 43y + -43y = 0
20 + -20u + 15uy + -43y + 21y2 = 0 + -21y2 + 21y2
20 + -20u + 15uy + -43y + 21y2 = -21y2 + 21y2

Combine like terms: -21y2 + 21y2 = 0
20 + -20u + 15uy + -43y + 21y2 = 0

The solution to this equation could not be determined.

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