y^2+8xy+7x^2=0

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Solution for y^2+8xy+7x^2=0 equation: 


Simplifying
y2 + 8xy + 7x2 = 0

Reorder the terms:
8xy + 7x2 + y2 = 0

Solving
8xy + 7x2 + y2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(7x + y)' equal to zero and attempt to solve:

Simplifying
7x + y = 0

Solving
7x + y = 0

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

Add '-1y' to each side of the equation.
7x + y + -1y = 0 + -1y

Combine like terms: y + -1y = 0
7x + 0 = 0 + -1y
7x = 0 + -1y
Remove the zero:
7x = -1y

Divide each side by '7'.
x = -0.1428571429y

Simplifying
x = -0.1428571429y

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

Simplifying
x + y = 0

Solving
x + y = 0

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

Add '-1y' to each side of the equation.
x + y + -1y = 0 + -1y

Combine like terms: y + -1y = 0
x + 0 = 0 + -1y
x = 0 + -1y
Remove the zero:
x = -1y

Simplifying
x = -1y
Solution
x = {-0.1428571429y, -1y}

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