(21-18)*18*18-21=

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Solution for (21-18)*18*18-21= equation: 


Simplifying
(21 + -18) * 18 * 18 + -21 = 0

Combine like terms: 21 + -18 = 3
(3) * 18 * 18 + -21 = 0

Multiply 3 * 18
54 * 18 + -21 = 0

Multiply 54 * 18
972 + -21 = 0

Combine like terms: 972 + -21 = 951
951 = 0

Solving
951 = 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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