4x^2+15xy+9y^2=

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Solution for 4x^2+15xy+9y^2= equation: 


Simplifying
4x2 + 15xy + 9y2 = 0

Reorder the terms:
15xy + 4x2 + 9y2 = 0

Solving
15xy + 4x2 + 9y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(4x + 3y)(x + 3y) = 0


Subproblem 1
Set the factor '(4x + 3y)' equal to zero and attempt to solve:

Simplifying
4x + 3y = 0

Solving
4x + 3y = 0

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

Add '-3y' to each side of the equation.
4x + 3y + -3y = 0 + -3y

Combine like terms: 3y + -3y = 0
4x + 0 = 0 + -3y
4x = 0 + -3y
Remove the zero:
4x = -3y

Divide each side by '4'.
x = -0.75y

Simplifying
x = -0.75y

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

Simplifying
x + 3y = 0

Solving
x + 3y = 0

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

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

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

Simplifying
x = -3y
Solution
x = {-0.75y, -3y}

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