(4x^2-xy+y^2)+(-x^2-5xy+2y^2)=

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Solution for (4x^2-xy+y^2)+(-x^2-5xy+2y^2)= equation:


Simplifying
(4x2 + -1xy + y2) + (-1x2 + -5xy + 2y2) = 0

Reorder the terms:
(-1xy + 4x2 + y2) + (-1x2 + -5xy + 2y2) = 0

Remove parenthesis around (-1xy + 4x2 + y2)
-1xy + 4x2 + y2 + (-1x2 + -5xy + 2y2) = 0

Reorder the terms:
-1xy + 4x2 + y2 + (-5xy + -1x2 + 2y2) = 0

Remove parenthesis around (-5xy + -1x2 + 2y2)
-1xy + 4x2 + y2 + -5xy + -1x2 + 2y2 = 0

Reorder the terms:
-1xy + -5xy + 4x2 + -1x2 + y2 + 2y2 = 0

Combine like terms: -1xy + -5xy = -6xy
-6xy + 4x2 + -1x2 + y2 + 2y2 = 0

Combine like terms: 4x2 + -1x2 = 3x2
-6xy + 3x2 + y2 + 2y2 = 0

Combine like terms: y2 + 2y2 = 3y2
-6xy + 3x2 + 3y2 = 0

Solving
-6xy + 3x2 + 3y2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-2xy + x2 + y2) = 0

Factor a trinomial.
3((x + -1y)(x + -1y)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(x + -1y)' equal to zero and attempt to solve: Simplifying x + -1y = 0 Solving x + -1y = 0 Move all terms containing x to the left, all other terms to the right. Add 'y' to each side of the equation. x + -1y + y = 0 + y Combine like terms: -1y + y = 0 x + 0 = 0 + y x = 0 + y Remove the zero: x = y Simplifying x = y

Subproblem 2

Set the factor '(x + -1y)' equal to zero and attempt to solve: Simplifying x + -1y = 0 Solving x + -1y = 0 Move all terms containing x to the left, all other terms to the right. Add 'y' to each side of the equation. x + -1y + y = 0 + y Combine like terms: -1y + y = 0 x + 0 = 0 + y x = 0 + y Remove the zero: x = y Simplifying x = y

Solution

x = {y, y}

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