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galina1969 [7]
3 years ago
9

Having trouble with add or subtracting the given polynomials

Mathematics
2 answers:
ryzh [129]3 years ago
5 0

Problem 7:

(2b² + 7b² + b) + (2b² - 4b - 12)

= 11b²-3b-12

Problem 8:

(7g³ + 4g - 1) + (2g² - 6g + 2)

= 7g³ + 2g² - 2g + 1

Bumek [7]3 years ago
3 0

7.

(2b^2+7b^2+b)+(2b^2-4b-12)

(9b^2+b)+(2b^2-4b-12)

9b^2+b+2b^2-4b-12

11b^2+b-4b-12

11b^2-3b-12

8.

(7g^3+4g-1)+(2g^2-6g+2)

7g^3+4g-1+2g^2-6g+2

7g^3-2g-1+2g^2+2

7g^3-2g+1+2g^2

7g^3+2g^2-2g+1

Hope this helps!

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