Since the value of *p* is tripled. You have to cube 3*p* i.e. (3*p*)^{3} =27*p*^{3} and NOT just the *p* i.e. 3*p*^{3}.

Elementary Math (E Math) Small Group Tuition.in Woodlands , SIngapore and Johor Bahru, Malaysia.

Since the value of *p* is tripled. You have to cube 3*p* i.e. (3*p*)^{3} =27*p*^{3} and NOT just the *p* i.e. 3*p*^{3}.

Elementary Math (E Math) Small Group Tuition.in Woodlands , SIngapore and Johor Bahru, Malaysia.