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Factorize 35 - 2b - b2

Mathematics
WAEC 1989
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)
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Correct Answer: Option B
Explanation
35 - 2b - b 2;
35 - 7b + 5b - b 2

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

(7 + b)(5 - b)
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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