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(1-2*-1)*2-(1+4*-1)(1-4*-1)=0
We simplify the equation to the form, which is simple to understand
(1-2*-1)*2-(1+4*-1)*(1-4*-1)=0
Simplifying:
(1-2)*2-(1+4*-1)*(1-4*-1)=0
Simplifying:
(1-2)*2-(1+4)*(1-4*-1)=0
Simplifying:
(1-2)*2-(1+4)*(1-4)=0
Simplifying terms in parentheses
(+3)*2-(1+4)*(1-4)=0
Simplifying terms in parentheses
(+3)*2-(-3)*(1-4)=0
Simplifying terms in parentheses
(+3)*2-(-3)*(+5)=0
Reorder the terms in parentheses
(+6)-(-3)*(+5)=0
Remove unnecessary parentheses
+6-(-3)*(+5)=0
Reorder the terms in parentheses
multiplication of parentheses
+6-(-15)=0
Remove unnecessary parentheses
+6+15=0
We move all terms containing to the left and all other terms to the right.
0=0-6-15
We simplify left and right side of the equation.
0=-21
0=-21
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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