Answers

2016-07-27T12:34:01+08:00
A=lw;

6m^2=lw;...a)
per condition:

l=4+w;........b);

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6=[4+w]w;
6=4w+w^2;
w^2+4w-6=0;
by qf;

w=-4+2\/10cm
l=4+[-4+2\/10;
l=2\/10cm

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