Factorize 35 - 2b - b2 - WAEC Mathematics 1989 Question
Factorize 35 - 2b - b2
A
(35-2b)(b-1)
B
(7+b)(5-b)
C
(3+7b)(5-b)
D
(35-b)(3b+7)
correct option: b
35 - 2b - b 2;
35 - 7b + 5b - b 2
7(5 - b) + 5(5 - b)
(7 + b)(5 - b)
35 - 7b + 5b - b 2
7(5 - b) + 5(5 - b)
(7 + b)(5 - b)
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