(7+1)(7-1)=

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Solution for (7+1)(7-1)= equation: 


Simplifying
(7 + 1)(7 + -1) = 0

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

Combine like terms: 7 + -1 = 6
8(6) = 0

Multiply 8 * 6
48 = 0

Solving
48 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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