Factorize 35 - 2b - b2

  • A (35-2b)(b-1)
  • B (7+b)(5-b)
  • C (3+7b)(5-b)
  • D (35-b)(3b+7)
  • E (7+b)(5+b)
waec 1989mathematics

The correct answer is B. (7+b)(5-b)

35 - 2b - b 2;

35 - 7b + 5b - b 2

7(5 - b) + 5(5 - b)

(7 + b)(5 - b)

Previous question Next question