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(5*9-3*4)(6*9-2*7)=0
We simplify the equation to the form, which is simple to understand
(5*9-3*4)*(6*9-2*7)=0
Simplifying:
(+45-3*4)*(6*9-2*7)=0
Simplifying:
(+45-12)*(6*9-2*7)=0
Simplifying:
(+45-12)*(+54-2*7)=0
Simplifying:
(+45-12)*(+54-14)=0
Simplifying terms in parentheses
(+33)*(+54-14)=0
Simplifying terms in parentheses
(+33)*(+40)=0
Reorder the terms in parentheses
multiplication of parentheses
(+1320)=0
Remove unnecessary parentheses
+1320=0
We move all terms containing to the left and all other terms to the right.
0=0-1320
We simplify left and right side of the equation.
0=-1320
0=-1320
The left and right sides are not equal, therefore there is no solution. This equation is invalid.
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