(x^3-5xy-9y^2)-(8x^3+10xy+12y^2)=

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Solution for (x^3-5xy-9y^2)-(8x^3+10xy+12y^2)= equation:


Simplifying
(x3 + -5xy + -9y2) + -1(8x3 + 10xy + 12y2) = 0

Reorder the terms:
(-5xy + x3 + -9y2) + -1(8x3 + 10xy + 12y2) = 0

Remove parenthesis around (-5xy + x3 + -9y2)
-5xy + x3 + -9y2 + -1(8x3 + 10xy + 12y2) = 0

Reorder the terms:
-5xy + x3 + -9y2 + -1(10xy + 8x3 + 12y2) = 0
-5xy + x3 + -9y2 + (10xy * -1 + 8x3 * -1 + 12y2 * -1) = 0
-5xy + x3 + -9y2 + (-10xy + -8x3 + -12y2) = 0

Reorder the terms:
-5xy + -10xy + x3 + -8x3 + -9y2 + -12y2 = 0

Combine like terms: -5xy + -10xy = -15xy
-15xy + x3 + -8x3 + -9y2 + -12y2 = 0

Combine like terms: x3 + -8x3 = -7x3
-15xy + -7x3 + -9y2 + -12y2 = 0

Combine like terms: -9y2 + -12y2 = -21y2
-15xy + -7x3 + -21y2 = 0

Solving
-15xy + -7x3 + -21y2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(15xy + 7x3 + 21y2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(15xy + 7x3 + 21y2)' equal to zero and attempt to solve: Simplifying 15xy + 7x3 + 21y2 = 0 Solving 15xy + 7x3 + 21y2 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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