The product of ramu's age (In years) five years ago with his age (in years) 9 years later 15.find ramu's present age??
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(x-5)(x+9)=15
X2+4x-45=15
X2+4x-60=0
X2+15x-4x-60=0
X=4
X2+4x-45=15
X2+4x-60=0
X2+15x-4x-60=0
X=4
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