(x+y+10)(x+y-10)=

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Solution for (x+y+10)(x+y-10)= equation:


Simplifying
(x + y + 10)(x + y + -10) = 0

Reorder the terms:
(10 + x + y)(x + y + -10) = 0

Reorder the terms:
(10 + x + y)(-10 + x + y) = 0

Multiply (10 + x + y) * (-10 + x + y)
(10(-10 + x + y) + x(-10 + x + y) + y(-10 + x + y)) = 0
((-10 * 10 + x * 10 + y * 10) + x(-10 + x + y) + y(-10 + x + y)) = 0
((-100 + 10x + 10y) + x(-10 + x + y) + y(-10 + x + y)) = 0
(-100 + 10x + 10y + (-10 * x + x * x + y * x) + y(-10 + x + y)) = 0

Reorder the terms:
(-100 + 10x + 10y + (-10x + xy + x2) + y(-10 + x + y)) = 0
(-100 + 10x + 10y + (-10x + xy + x2) + y(-10 + x + y)) = 0
(-100 + 10x + 10y + -10x + xy + x2 + (-10 * y + x * y + y * y)) = 0

Reorder the terms:
(-100 + 10x + 10y + -10x + xy + x2 + (xy + -10y + y2)) = 0
(-100 + 10x + 10y + -10x + xy + x2 + (xy + -10y + y2)) = 0

Reorder the terms:
(-100 + 10x + -10x + xy + xy + x2 + 10y + -10y + y2) = 0

Combine like terms: 10x + -10x = 0
(-100 + 0 + xy + xy + x2 + 10y + -10y + y2) = 0
(-100 + xy + xy + x2 + 10y + -10y + y2) = 0

Combine like terms: xy + xy = 2xy
(-100 + 2xy + x2 + 10y + -10y + y2) = 0

Combine like terms: 10y + -10y = 0
(-100 + 2xy + x2 + 0 + y2) = 0
(-100 + 2xy + x2 + y2) = 0

Solving
-100 + 2xy + x2 + y2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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