Environmental Sciences, asked by rupbhusare3138, 1 year ago

FRACTORISE THE FOLLOWING (i)9p+54p+72? FRACTORISE THE FOLLOWING BY USING IDENTITY (i) (7a-9b) (7a+9b) (ii) (x+3) (x-7) NOW I AM ASKING YOU QUESTION FROM SCIENCE (i) what do you mean by vaccination?who discovered vaccination? (donot do this question from net) (ii) who is the Alwxander Fleming? write the name of their inventions? (donot do this question from net) (It is a humble request)

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Answered by mansi136
1
factorisation
by using identity
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