Find the value of m2+7m−60 when m=−3
4(m-6)
2(m+6)
(m+12)
None of these
Substituting m=−3 in m2+7m−60, we get
= (−3)2+7(−3)−60
= 9−21−60
=−72
Divide m2+7m−60 by (m−5).
Factorising m2+7m−60 and dividing it by (m−5) gives: