(5x+6y)(5x-6y)=0

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Solution for (5x+6y)(5x-6y)=0 equation:


Simplifying
(5x + 6y)(5x + -6y) = 0

Multiply (5x + 6y) * (5x + -6y)
(5x * (5x + -6y) + 6y * (5x + -6y)) = 0
((5x * 5x + -6y * 5x) + 6y * (5x + -6y)) = 0

Reorder the terms:
((-30xy + 25x2) + 6y * (5x + -6y)) = 0
((-30xy + 25x2) + 6y * (5x + -6y)) = 0
(-30xy + 25x2 + (5x * 6y + -6y * 6y)) = 0
(-30xy + 25x2 + (30xy + -36y2)) = 0

Reorder the terms:
(-30xy + 30xy + 25x2 + -36y2) = 0

Combine like terms: -30xy + 30xy = 0
(0 + 25x2 + -36y2) = 0
(25x2 + -36y2) = 0

Solving
25x2 + -36y2 = 0

Solving for variable 'x'.

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

Add '36y2' to each side of the equation.
25x2 + -36y2 + 36y2 = 0 + 36y2

Combine like terms: -36y2 + 36y2 = 0
25x2 + 0 = 0 + 36y2
25x2 = 0 + 36y2
Remove the zero:
25x2 = 36y2

Divide each side by '25'.
x2 = 1.44y2

Simplifying
x2 = 1.44y2

Take the square root of each side:
x = {-1.2y, 1.2y}

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