Math, asked by sangitaacharya510, 5 hours ago

factorise a square + 7 a + 12

Answers

Answered by anjalirehan04

1

a2 - 7a + 12

a2 - (4+3)a + 12

a2 - 4a - 3a + 12

a (a - 4)-3(a - 4)

(a - 4)(a - 3)

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