(-3)(-3)+4[18+(12-20)]=

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Solution for (-3)(-3)+4[18+(12-20)]= equation: 


Simplifying
(-3)(-3) + 4[18 + (12 + -20)] = 0

Multiply -3 * -3
9 + 4[18 + (12 + -20)] = 0

Combine like terms: 12 + -20 = -8
9 + 4[18 + (-8)] = 0
9 + 4[18 + -8] = 0

Combine like terms: 18 + -8 = 10
9 + 4[10] = 0

Multiply 4 * 10
9 + 40 = 0

Combine like terms: 9 + 40 = 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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