factorx^4+8x^3-20x^2-72x-63=y

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Solution for factorx^4+8x^3-20x^2-72x-63=y equation: 


Simplifying
factorx4 + 8x3 + -20x2 + -72x + -63 = y

Reorder the terms:
-63 + acfortx4 + -72x + -20x2 + 8x3 = y

Solving
-63 + acfortx4 + -72x + -20x2 + 8x3 = y

Solving for variable 'a'.

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

Add '63' to each side of the equation.
-63 + acfortx4 + -72x + -20x2 + 63 + 8x3 = 63 + y

Reorder the terms:
-63 + 63 + acfortx4 + -72x + -20x2 + 8x3 = 63 + y

Combine like terms: -63 + 63 = 0
0 + acfortx4 + -72x + -20x2 + 8x3 = 63 + y
acfortx4 + -72x + -20x2 + 8x3 = 63 + y

Add '72x' to each side of the equation.
acfortx4 + -72x + -20x2 + 72x + 8x3 = 63 + 72x + y

Reorder the terms:
acfortx4 + -72x + 72x + -20x2 + 8x3 = 63 + 72x + y

Combine like terms: -72x + 72x = 0
acfortx4 + 0 + -20x2 + 8x3 = 63 + 72x + y
acfortx4 + -20x2 + 8x3 = 63 + 72x + y

Add '20x2' to each side of the equation.
acfortx4 + -20x2 + 20x2 + 8x3 = 63 + 72x + 20x2 + y

Combine like terms: -20x2 + 20x2 = 0
acfortx4 + 0 + 8x3 = 63 + 72x + 20x2 + y
acfortx4 + 8x3 = 63 + 72x + 20x2 + y

Add '-8x3' to each side of the equation.
acfortx4 + 8x3 + -8x3 = 63 + 72x + 20x2 + -8x3 + y

Combine like terms: 8x3 + -8x3 = 0
acfortx4 + 0 = 63 + 72x + 20x2 + -8x3 + y
acfortx4 = 63 + 72x + 20x2 + -8x3 + y

Divide each side by 'cfortx4'.
a = 63c-1f-1o-1r-1t-1x-4 + 72c-1f-1o-1r-1t-1x-3 + 20c-1f-1o-1r-1t-1x-2 + -8c-1f-1o-1r-1t-1x-1 + c-1f-1o-1r-1t-1x-4y

Simplifying
a = 63c-1f-1o-1r-1t-1x-4 + 72c-1f-1o-1r-1t-1x-3 + 20c-1f-1o-1r-1t-1x-2 + -8c-1f-1o-1r-1t-1x-1 + c-1f-1o-1r-1t-1x-4y

Reorder the terms:
a = 63c-1f-1o-1r-1t-1x-4 + c-1f-1o-1r-1t-1x-4y + 72c-1f-1o-1r-1t-1x-3 + 20c-1f-1o-1r-1t-1x-2 + -8c-1f-1o-1r-1t-1x-1

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