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blondinia [14]
3 years ago
7

In your notebook, set up the following addition using a vertical format and find the sum of the given polynomials. 3x^2 + 2x - 5

and -4 + 7x^2
-x 2 + 9x - 9
21x 2 + 2x + 20
10x 2 - 5x - 1
10x 2 + 2x - 9
ANSWER ASAP please
Mathematics
2 answers:
Svetradugi [14.3K]3 years ago
5 0
The sum to your question is 14
e-lub [12.9K]3 years ago
4 0

Answer #1- Add the expressions.  3x^2+2x−5+(−4+7x^2), Remove unnecessary parentheses.  3x^2+2x−5−4+7x^2, Add  3x^2 and 7x^2. 10x^2+2x−5−4, Subtract  4  from  −5. 10x^2+2x−9.

Final Answer: 10x^2  +2x−9 hopefully you now get an understanding of how to do it.

Answer #2: 7x−9

Answer #3: 4(11x+5)

Answer #4: 15x-1

Answer #5: 22x-9

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