Question 13
10−x means
(a) 10 is subtracted x times.
(b) x is subtracted 10 times.
(c) x is subtracted from 10.
(d) 10 is subtracted from x.
Option (c).
(10−x) means x is subtracted from 10.
Question 3 (vi)
Subtract:
−x2+10x−5 from 5x−10