Math, asked by namanjeet5089, 4 months ago

Let P=a²-b²+2ab, Q=a²+4b²-6ab, R=b+6, S=a²-4ab and T=-2a²+b²-ab+a. find P+Q+R+S-T

Answers

Answered by tusharyadav01041983

4

Answer:

5a^2+4b^2-9ab+a+b+6

Step-by-step explanation:

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