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