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Drew’s work crew put up 45 sections of fencing in a park. Each section was 6 feet long. How many feet of fencing did Drew’s crew
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Using cross multiplication
(x-4)(x+2)=0
x-4=0
x+2=0
Thus x=4,-2
(x-4)(x+2)=0
x-4=0
x+2=0
Thus x=4,-2