A rectangle is 5 cm longer than it is wide. If the length and width are both increased by 3 cm, its area is increased by 60 cm2. How do you find the dimensions of the original rectangle?
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let's take a wide as =x and length is x+5
area = (x+5*x)
=x square and 5x
then , length is x+5+3=x+8
wide is x+3
area x(x+8)+3(x+8)=x2+3x+24
atq
x2+5x+x2
area = (x+5*x)
=x square and 5x
then , length is x+5+3=x+8
wide is x+3
area x(x+8)+3(x+8)=x2+3x+24
atq
x2+5x+x2
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