(-3-7)(-3+2)-9=

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Solution for (-3-7)(-3+2)-9= equation:


(-3-7)(-3+2)-9=0

We simplify the equation to the form, which is simple to understand 
(-3-7)*(-3+2)-9=0

Simplifying terms in parentheses
(-10)*(-3+2)-9=0

Simplifying terms in parentheses
(-10)*(-1)-9=0

Reorder the terms in parentheses
multiplication of parentheses
(+10)-9=0



Remove unnecessary parentheses
+10-9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-10+9

We simplify left and right side of the equation. 
0=-1

0=-1

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

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