Question

add using the column method 3a²-6ab-7b², 4b2-3a²+7a+6a, 4ab-3+2b+5b²and 7-25+a-2ab​

Answer 1

Answer:

P+Q=a

2

−b

2

−2ab+a

2

+4b

2

−6ab=2a

2

−8ab+3b

2

P+Q+R=2a

2

−8ab+3b

2

+b

2

+6=2a

2

−8ab+4b

2

+6

P+Q+R+S=2a

2

−8ab+4b

2

+6+a

2

−4ab=3a

2

−12ab+4b

2

+6

P+Q+R+S+T=3a

2

−12ab+4b

2

+6−2a

2

+b

2

−ab+a=a

2

−12ab+5b

2

+6−ab+a

∴P+Q+R+S+T=a

2

+5b

2

−12ab−ab+a+6

Answer 2

Answer:

14a + 2b - 3a^2 + 2b^2 + 3ab^2 - 4ab - 21

Step-by-step explanation:

The explanation is given in the image.

I hope this helps.

Please mark as the brainliest answer.