(6y^3+5y^2-y-8)-(y^2-4y+9)=

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Solution for (6y^3+5y^2-y-8)-(y^2-4y+9)= equation:


Simplifying
(6y3 + 5y2 + -1y + -8) + -1(y2 + -4y + 9) = 0

Reorder the terms:
(-8 + -1y + 5y2 + 6y3) + -1(y2 + -4y + 9) = 0

Remove parenthesis around (-8 + -1y + 5y2 + 6y3)
-8 + -1y + 5y2 + 6y3 + -1(y2 + -4y + 9) = 0

Reorder the terms:
-8 + -1y + 5y2 + 6y3 + -1(9 + -4y + y2) = 0
-8 + -1y + 5y2 + 6y3 + (9 * -1 + -4y * -1 + y2 * -1) = 0
-8 + -1y + 5y2 + 6y3 + (-9 + 4y + -1y2) = 0

Reorder the terms:
-8 + -9 + -1y + 4y + 5y2 + -1y2 + 6y3 = 0

Combine like terms: -8 + -9 = -17
-17 + -1y + 4y + 5y2 + -1y2 + 6y3 = 0

Combine like terms: -1y + 4y = 3y
-17 + 3y + 5y2 + -1y2 + 6y3 = 0

Combine like terms: 5y2 + -1y2 = 4y2
-17 + 3y + 4y2 + 6y3 = 0

Solving
-17 + 3y + 4y2 + 6y3 = 0

Solving for variable 'y'.

The solution to this equation could not be determined.

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