(2x+3y)(2x-5y)=

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Solution for (2x+3y)(2x-5y)= equation:


Simplifying
(2x + 3y)(2x + -5y) = 0

Multiply (2x + 3y) * (2x + -5y)
(2x * (2x + -5y) + 3y * (2x + -5y)) = 0
((2x * 2x + -5y * 2x) + 3y * (2x + -5y)) = 0

Reorder the terms:
((-10xy + 4x2) + 3y * (2x + -5y)) = 0
((-10xy + 4x2) + 3y * (2x + -5y)) = 0
(-10xy + 4x2 + (2x * 3y + -5y * 3y)) = 0
(-10xy + 4x2 + (6xy + -15y2)) = 0

Reorder the terms:
(-10xy + 6xy + 4x2 + -15y2) = 0

Combine like terms: -10xy + 6xy = -4xy
(-4xy + 4x2 + -15y2) = 0

Solving
-4xy + 4x2 + -15y2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2x + -5y)(2x + 3y) = 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 + 3y)' equal to zero and attempt to solve: Simplifying 2x + 3y = 0 Solving 2x + 3y = 0 Move all terms containing x to the left, all other terms to the right. Add '-3y' to each side of the equation. 2x + 3y + -3y = 0 + -3y Combine like terms: 3y + -3y = 0 2x + 0 = 0 + -3y 2x = 0 + -3y Remove the zero: 2x = -3y Divide each side by '2'. x = -1.5y Simplifying x = -1.5y

Solution

x = {2.5y, -1.5y}

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