(3a-b) square -9b square – InterviewSolution

1.

(3a-b) square -9b square

Answer»

P=12

Step-by-step EXPLANATION:

abp=9^2+b^2+6ab-[9a^2+b^2-6ab]

abp=9a^2+b^2+6ab-9a^2-b^2+6ab

p=6ab+6ab/abp=12 ab/ab

P=12

Hope it HELPS U!!!!!

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