-2(-5)(4)=

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


-2(-5)(4)=0

We simplify the equation to the form, which is simple to understand 
-2(-5)*(4)=0

Reorder the terms in parentheses
multiplication of parentheses
-2*(-20)=0



Reorder the terms in parentheses
+(+40)=0

Remove unnecessary parentheses
+40=0

We move all terms containing  to the left and all other terms to the right. 
0=0-40

We simplify left and right side of the equation. 
0=-40

0=-40

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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