7m2 � 9m + 2 Please Help Me?

1 ⤊

7m2 � 9m + 2
a) (7m � 2)(m + 1)

b) (7m � 2)(m � 1)

c) (7m + 2)(m + 1)

d) prime

2007-12-10 19:02:32 · 2 answers · asked by Jazz 2 in Science & Mathematics ➔ Mathematics

Factorise?
7 m ² + 9 m + 2 = (7m + 2) (m + 1)
OPTION c)

2007-12-10 21:07:02 · answer #1 · answered by Como 7 · 1⤊ 0⤋

7m^2-9m+2=0
7m^2-7m-2m+2
7m(m-1)-2(m-1)
(7m-2)(m-1)
(7m � 2)(m � 1)

hence the answer is b) (7m � 2)(m � 1)

2007-12-10 19:16:52 · answer #2 · answered by mayavan 2 · 0⤊ 0⤋