1) Form quadratic equations if the area of rectangle whose length is greater than breadth by ‘cm’ . is 45 sq. cm​

1 thought on “1) Form quadratic equations if the area of rectangle whose length is greater than breadth by ‘cm’ . is 45 sq. cm​”

1. Answer:

   Let breadth = x,

   ∴L=4+x

   Area=(x)(4+x)=45

   4x+x

   2

   =45

   x

   2

   +4x−45=0

   (x+9)(x−5)=0

   x=5

   x=−9 not possible

   ∴ Length = x+4

   = 5+4

   = 9

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