(-5)(-4)-(2)(4)=

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Solution for (-5)(-4)-(2)(4)= equation: 


Simplifying
(-5)(-4) + -1(2)(4) = 0

Multiply -5 * -4
20 + -1(2)(4) = 0

Multiply -1 * 2
20 + -2 * 4 = 0

Multiply -2 * 4
20 + -8 = 0

Combine like terms: 20 + -8 = 12
12 = 0

Solving
12 = 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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