m2 + 8m+ 15 এর উৎপাদক কত?

m² + 8m+ 15 এর উৎপাদক কত?

A (m+5) (m−3)

B (m−5) (m+3)

C (m−5) (m−3)

D (m+5) (m+3)

Solution

Correct Answer: Option D

m²+8m+15
=m² +5m+3m+15
=m(m+5)+3(m+5)
=(m+5)+(m+3)