Answers

2016-03-21T14:41:02+05:30
Let length be x and breath be y
eq.- (x-3)(b+4)=(A+9)
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2016-03-21T16:16:56+05:30
(l-3)(b+4)=9+lb
lb+4l-3b-12=lb
4l-3b=12
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