(2x-y)(x+3y)=

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Solution for (2x-y)(x+3y)= equation:


Simplifying
(2x + -1y)(x + 3y) = 0

Multiply (2x + -1y) * (x + 3y)
(2x * (x + 3y) + -1y * (x + 3y)) = 0
((x * 2x + 3y * 2x) + -1y * (x + 3y)) = 0

Reorder the terms:
((6xy + 2x2) + -1y * (x + 3y)) = 0
((6xy + 2x2) + -1y * (x + 3y)) = 0
(6xy + 2x2 + (x * -1y + 3y * -1y)) = 0
(6xy + 2x2 + (-1xy + -3y2)) = 0

Reorder the terms:
(6xy + -1xy + 2x2 + -3y2) = 0

Combine like terms: 6xy + -1xy = 5xy
(5xy + 2x2 + -3y2) = 0

Solving
5xy + 2x2 + -3y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2x + -1y)(x + 3y) = 0

Subproblem 1

Set the factor '(2x + -1y)' equal to zero and attempt to solve: Simplifying 2x + -1y = 0 Solving 2x + -1y = 0 Move all terms containing x to the left, all other terms to the right. Add 'y' to each side of the equation. 2x + -1y + y = 0 + y Combine like terms: -1y + y = 0 2x + 0 = 0 + y 2x = 0 + y Remove the zero: 2x = y Divide each side by '2'. x = 0.5y Simplifying x = 0.5y

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 = {0.5y, -3y}

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