(12m2−27)=?(a) (2m−3)(3m−9)(b) 3(2m−9)(3m−1)(c) 3(2m−3)(2m+3)(d) none of these
If m=2, find the value of:
(i) m−2 (ii) 3m−5 (iii) 9−5m
(iv) 3m2−2m−7 (v) 5m2−4