(y+3)(y^2-3y+9)-(y+2)(y^2-2y+4)=

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Solution for (y+3)(y^2-3y+9)-(y+2)(y^2-2y+4)= equation: 


Simplifying
(y + 3)(y2 + -3y + 9) + -1(y + 2)(y2 + -2y + 4) = 0

Reorder the terms:
(3 + y)(y2 + -3y + 9) + -1(y + 2)(y2 + -2y + 4) = 0

Reorder the terms:
(3 + y)(9 + -3y + y2) + -1(y + 2)(y2 + -2y + 4) = 0

Multiply (3 + y) * (9 + -3y + y2)
(3(9 + -3y + y2) + y(9 + -3y + y2)) + -1(y + 2)(y2 + -2y + 4) = 0
((9 * 3 + -3y * 3 + y2 * 3) + y(9 + -3y + y2)) + -1(y + 2)(y2 + -2y + 4) = 0
((27 + -9y + 3y2) + y(9 + -3y + y2)) + -1(y + 2)(y2 + -2y + 4) = 0
(27 + -9y + 3y2 + (9 * y + -3y * y + y2 * y)) + -1(y + 2)(y2 + -2y + 4) = 0
(27 + -9y + 3y2 + (9y + -3y2 + y3)) + -1(y + 2)(y2 + -2y + 4) = 0

Reorder the terms:
(27 + -9y + 9y + 3y2 + -3y2 + y3) + -1(y + 2)(y2 + -2y + 4) = 0

Combine like terms: -9y + 9y = 0
(27 + 0 + 3y2 + -3y2 + y3) + -1(y + 2)(y2 + -2y + 4) = 0
(27 + 3y2 + -3y2 + y3) + -1(y + 2)(y2 + -2y + 4) = 0

Combine like terms: 3y2 + -3y2 = 0
(27 + 0 + y3) + -1(y + 2)(y2 + -2y + 4) = 0
(27 + y3) + -1(y + 2)(y2 + -2y + 4) = 0

Reorder the terms:
27 + y3 + -1(2 + y)(y2 + -2y + 4) = 0

Reorder the terms:
27 + y3 + -1(2 + y)(4 + -2y + y2) = 0

Multiply (2 + y) * (4 + -2y + y2)
27 + y3 + -1(2(4 + -2y + y2) + y(4 + -2y + y2)) = 0
27 + y3 + -1((4 * 2 + -2y * 2 + y2 * 2) + y(4 + -2y + y2)) = 0
27 + y3 + -1((8 + -4y + 2y2) + y(4 + -2y + y2)) = 0
27 + y3 + -1(8 + -4y + 2y2 + (4 * y + -2y * y + y2 * y)) = 0
27 + y3 + -1(8 + -4y + 2y2 + (4y + -2y2 + y3)) = 0

Reorder the terms:
27 + y3 + -1(8 + -4y + 4y + 2y2 + -2y2 + y3) = 0

Combine like terms: -4y + 4y = 0
27 + y3 + -1(8 + 0 + 2y2 + -2y2 + y3) = 0
27 + y3 + -1(8 + 2y2 + -2y2 + y3) = 0

Combine like terms: 2y2 + -2y2 = 0
27 + y3 + -1(8 + 0 + y3) = 0
27 + y3 + -1(8 + y3) = 0
27 + y3 + (8 * -1 + y3 * -1) = 0
27 + y3 + (-8 + -1y3) = 0

Reorder the terms:
27 + -8 + y3 + -1y3 = 0

Combine like terms: 27 + -8 = 19
19 + y3 + -1y3 = 0

Combine like terms: y3 + -1y3 = 0
19 + 0 = 0
19 = 0

Solving
19 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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