25x^2-40xy+7y^2=

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Solution for 25x^2-40xy+7y^2= equation: 


Simplifying
25x2 + -40xy + 7y2 = 0

Reorder the terms:
-40xy + 25x2 + 7y2 = 0

Solving
-40xy + 25x2 + 7y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5x + -7y)(5x + -1y) = 0


Subproblem 1
Set the factor '(5x + -7y)' equal to zero and attempt to solve:

Simplifying
5x + -7y = 0

Solving
5x + -7y = 0

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

Add '7y' to each side of the equation.
5x + -7y + 7y = 0 + 7y

Combine like terms: -7y + 7y = 0
5x + 0 = 0 + 7y
5x = 0 + 7y
Remove the zero:
5x = 7y

Divide each side by '5'.
x = 1.4y

Simplifying
x = 1.4y

Subproblem 2
Set the factor '(5x + -1y)' equal to zero and attempt to solve:

Simplifying
5x + -1y = 0

Solving
5x + -1y = 0

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

Add 'y' to each side of the equation.
5x + -1y + y = 0 + y

Combine like terms: -1y + y = 0
5x + 0 = 0 + y
5x = 0 + y
Remove the zero:
5x = y

Divide each side by '5'.
x = 0.2y

Simplifying
x = 0.2y
Solution
x = {1.4y, 0.2y}

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