5x^2-18xy-8y^2=

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Solution for 5x^2-18xy-8y^2= equation:


Simplifying
5x2 + -18xy + -8y2 = 0

Reorder the terms:
-18xy + 5x2 + -8y2 = 0

Solving
-18xy + 5x2 + -8y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -4y)(5x + 2y) = 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 '(5x + 2y)' equal to zero and attempt to solve: Simplifying 5x + 2y = 0 Solving 5x + 2y = 0 Move all terms containing x to the left, all other terms to the right. Add '-2y' to each side of the equation. 5x + 2y + -2y = 0 + -2y Combine like terms: 2y + -2y = 0 5x + 0 = 0 + -2y 5x = 0 + -2y Remove the zero: 5x = -2y Divide each side by '5'. x = -0.4y Simplifying x = -0.4y

Solution

x = {4y, -0.4y}

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