x^2+3xy-28y^2=

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Solution for x^2+3xy-28y^2= equation:


Simplifying
x2 + 3xy + -28y2 = 0

Reorder the terms:
3xy + x2 + -28y2 = 0

Solving
3xy + x2 + -28y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -4y)(x + 7y) = 0

Subproblem 1

Set the factor '(x + -4y)' equal to zero and attempt to solve: Simplifying x + -4y = 0 Solving x + -4y = 0 Move all terms containing x to the left, all other terms to the right. Add '4y' to each side of the equation. x + -4y + 4y = 0 + 4y Combine like terms: -4y + 4y = 0 x + 0 = 0 + 4y x = 0 + 4y Remove the zero: x = 4y Simplifying x = 4y

Subproblem 2

Set the factor '(x + 7y)' equal to zero and attempt to solve: Simplifying x + 7y = 0 Solving x + 7y = 0 Move all terms containing x to the left, all other terms to the right. Add '-7y' to each side of the equation. x + 7y + -7y = 0 + -7y Combine like terms: 7y + -7y = 0 x + 0 = 0 + -7y x = 0 + -7y Remove the zero: x = -7y Simplifying x = -7y

Solution

x = {4y, -7y}

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