3x^2-19xy-40y^2=0

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Solution for 3x^2-19xy-40y^2=0 equation: 


Simplifying
3x2 + -19xy + -40y2 = 0

Reorder the terms:
-19xy + 3x2 + -40y2 = 0

Solving
-19xy + 3x2 + -40y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(x + -8y)(3x + 5y) = 0


Subproblem 1
Set the factor '(x + -8y)' equal to zero and attempt to solve:

Simplifying
x + -8y = 0

Solving
x + -8y = 0

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

Add '8y' to each side of the equation.
x + -8y + 8y = 0 + 8y

Combine like terms: -8y + 8y = 0
x + 0 = 0 + 8y
x = 0 + 8y
Remove the zero:
x = 8y

Simplifying
x = 8y

Subproblem 2
Set the factor '(3x + 5y)' equal to zero and attempt to solve:

Simplifying
3x + 5y = 0

Solving
3x + 5y = 0

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

Add '-5y' to each side of the equation.
3x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
3x + 0 = 0 + -5y
3x = 0 + -5y
Remove the zero:
3x = -5y

Divide each side by '3'.
x = -1.666666667y

Simplifying
x = -1.666666667y
Solution
x = {8y, -1.666666667y}

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