(9)(9)-4(9-1)=

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Solution for (9)(9)-4(9-1)= equation: 


Simplifying
(9)(9) + -4(9 + -1) = 0

Multiply 9 * 9
81 + -4(9 + -1) = 0

Combine like terms: 9 + -1 = 8
81 + -4(8) = 0

Multiply -4 * 8
81 + -32 = 0

Combine like terms: 81 + -32 = 49
49 = 0

Solving
49 = 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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