(2x-4y)(-x+5y)=

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Solution for (2x-4y)(-x+5y)= equation:


Simplifying
(2x + -4y)(-1x + 5y) = 0

Multiply (2x + -4y) * (-1x + 5y)
(2x * (-1x + 5y) + -4y * (-1x + 5y)) = 0
((-1x * 2x + 5y * 2x) + -4y * (-1x + 5y)) = 0

Reorder the terms:
((10xy + -2x2) + -4y * (-1x + 5y)) = 0
((10xy + -2x2) + -4y * (-1x + 5y)) = 0
(10xy + -2x2 + (-1x * -4y + 5y * -4y)) = 0
(10xy + -2x2 + (4xy + -20y2)) = 0

Reorder the terms:
(10xy + 4xy + -2x2 + -20y2) = 0

Combine like terms: 10xy + 4xy = 14xy
(14xy + -2x2 + -20y2) = 0

Solving
14xy + -2x2 + -20y2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(7xy + -1x2 + -10y2) = 0

Factor a trinomial.
2((-1x + 2y)(x + -5y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1x + 2y)' equal to zero and attempt to solve: Simplifying -1x + 2y = 0 Solving -1x + 2y = 0 Move all terms containing x to the left, all other terms to the right. Add '-2y' to each side of the equation. -1x + 2y + -2y = 0 + -2y Combine like terms: 2y + -2y = 0 -1x + 0 = 0 + -2y -1x = 0 + -2y Remove the zero: -1x = -2y Divide each side by '-1'. x = 2y Simplifying x = 2y

Subproblem 2

Set the factor '(x + -5y)' equal to zero and attempt to solve: Simplifying x + -5y = 0 Solving x + -5y = 0 Move all terms containing x to the left, all other terms to the right. Add '5y' to each side of the equation. x + -5y + 5y = 0 + 5y Combine like terms: -5y + 5y = 0 x + 0 = 0 + 5y x = 0 + 5y Remove the zero: x = 5y Simplifying x = 5y

Solution

x = {2y, 5y}

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