(8y-7x)(8y+7x)=

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Solution for (8y-7x)(8y+7x)= equation: 


Simplifying
(8y + -7x)(8y + 7x) = 0

Reorder the terms:
(-7x + 8y)(8y + 7x) = 0

Reorder the terms:
(-7x + 8y)(7x + 8y) = 0

Multiply (-7x + 8y) * (7x + 8y)
(-7x * (7x + 8y) + 8y * (7x + 8y)) = 0
((7x * -7x + 8y * -7x) + 8y * (7x + 8y)) = 0

Reorder the terms:
((-56xy + -49x2) + 8y * (7x + 8y)) = 0
((-56xy + -49x2) + 8y * (7x + 8y)) = 0
(-56xy + -49x2 + (7x * 8y + 8y * 8y)) = 0
(-56xy + -49x2 + (56xy + 64y2)) = 0

Reorder the terms:
(-56xy + 56xy + -49x2 + 64y2) = 0

Combine like terms: -56xy + 56xy = 0
(0 + -49x2 + 64y2) = 0
(-49x2 + 64y2) = 0

Solving
-49x2 + 64y2 = 0

Solving for variable 'x'.

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

Add '-64y2' to each side of the equation.
-49x2 + 64y2 + -64y2 = 0 + -64y2

Combine like terms: 64y2 + -64y2 = 0
-49x2 + 0 = 0 + -64y2
-49x2 = 0 + -64y2
Remove the zero:
-49x2 = -64y2

Divide each side by '-49'.
x2 = 1.306122449y2

Simplifying
x2 = 1.306122449y2

Take the square root of each side:
x = {-1.142857143y, 1.142857143y}

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