(7+(-7))(5+(-7))(8-(-9))=

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Solution for (7+(-7))(5+(-7))(8-(-9))= equation: 


Simplifying
(7 + (-7))(5 + (-7))(8 + -1(-9)) = 0
(7 + -7)(5 + (-7))(8 + -1(-9)) = 0

Combine like terms: 7 + -7 = 0
(0)(5 + (-7))(8 + -1(-9)) = 0
0(5 + -7)(8 + -1(-9)) = 0

Combine like terms: 5 + -7 = -2
0(-2)(8 + -1(-9)) = 0

Multiply -1 * -9
0 * -2(8 + 9) = 0

Combine like terms: 8 + 9 = 17
0 * -2(17) = 0

Multiply 0 * -2
0 * 17 = 0

Anything times zero is zero.
0 * 17 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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