Question

factorise 12b+15-3b²​

Answer 1

Answer:Here is yr answer......

=> 12b + 15 -3b²

=> -3b² + 12b + 15

=> -3b² + 15b - 3b +15

=> -3b(b-15) -3(b-15)

=> (b-15) (-3b-3)

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Answer 2

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