(-8+-1)(5+-4)=

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Solution for (-8+-1)(5+-4)= equation: 


Simplifying
(-8 + -1)(5 + -4) = 0

Combine like terms: -8 + -1 = -9
(-9)(5 + -4) = 0

Combine like terms: 5 + -4 = 1
-9(1) = 0

Multiply -9 * 1
-9 = 0

Solving
-9 = 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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