Math, asked by awnishsingh1594, 2 days ago

factorise b^2+4-4b-16​

Answers

Answered by LifeIsALabyrinth
7

Answer:

= b²+4-4b-16

= b²-4b-12

= b²-6b+2b-12

= b(b-6)+2(b-6)

= (b-6) (b+2)

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