(2x-5y)(2x-5y)=

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Solution for (2x-5y)(2x-5y)= equation: 


Simplifying
(2x + -5y)(2x + -5y) = 0

Multiply (2x + -5y) * (2x + -5y)
(2x * (2x + -5y) + -5y * (2x + -5y)) = 0
((2x * 2x + -5y * 2x) + -5y * (2x + -5y)) = 0

Reorder the terms:
((-10xy + 4x2) + -5y * (2x + -5y)) = 0
((-10xy + 4x2) + -5y * (2x + -5y)) = 0
(-10xy + 4x2 + (2x * -5y + -5y * -5y)) = 0
(-10xy + 4x2 + (-10xy + 25y2)) = 0

Reorder the terms:
(-10xy + -10xy + 4x2 + 25y2) = 0

Combine like terms: -10xy + -10xy = -20xy
(-20xy + 4x2 + 25y2) = 0

Solving
-20xy + 4x2 + 25y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2x + -5y)(2x + -5y) = 0


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

Simplifying
2x + -5y = 0

Solving
2x + -5y = 0

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

Add '5y' to each side of the equation.
2x + -5y + 5y = 0 + 5y

Combine like terms: -5y + 5y = 0
2x + 0 = 0 + 5y
2x = 0 + 5y
Remove the zero:
2x = 5y

Divide each side by '2'.
x = 2.5y

Simplifying
x = 2.5y

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

Simplifying
2x + -5y = 0

Solving
2x + -5y = 0

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

Add '5y' to each side of the equation.
2x + -5y + 5y = 0 + 5y

Combine like terms: -5y + 5y = 0
2x + 0 = 0 + 5y
2x = 0 + 5y
Remove the zero:
2x = 5y

Divide each side by '2'.
x = 2.5y

Simplifying
x = 2.5y
Solution
x = {2.5y, 2.5y}

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