Question

The product of rehmans age 5 years ago with his age9 year's later is 15.What is his present age?​

Answer 1

Answer:

⇒  Let Rehman present age be xyears.

According to the question,

⇒  (x−5)(x+9)=15

⇒  x2+9x−5x−45−15=0

⇒  x2+4x−60=0 

⇒  x2+10x−6x−60=0

⇒  x(x+10)−6(x+10)=0

⇒  (x+10)(x−6)=0

⇒  x+10=0 and x−6=0

⇒  x=−10 and x=6

⇒  Age cannot be negative.

∴  Rehman present age is 6 years.

l hope this answer will help you

Answer 2

Answer:

Tq..answer is 7 approx 6.6

Step-by-step explanation:

hope this answer helps...