Question: Mark (✓) against the correct answer:
10p2 + 11p + 3 = ?
(a) (2p + 3)(5p + 1)
(b) (5p + 3)(2p + 1)
(c) (5p − 3)(2p − 1)
(d) none of these
Solution:
(b) (5p + 3)(2p + 1)
$10 p^{2}+11 p+3$
$=10 p^{2}+5 p+6 p+3$
$=5 p(2 p+1)+3(2 p+1)$
$=(5 p+3)(2 p+1)$
