Answers

2014-08-13T21:21:00+08:00
L=2+2x
w=x
lw=24
(2+2x)(x)=24
2x+2x^2=24
2x^2+2x-24=0
(x-3)(2x+8)=0
3 is the width
2+2(3)= 8 is the length 
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2014-08-14T05:09:45+08:00