3 years ago

Help with polynomials

2 answers:

8 0

$(10x^2 + 5x + 3) + (2x^2 - 7x + 5) \\ \\ 10x^2 + 5x + 3 + 2x^2 - 7x + 5 \\ \\ (10x^2 + 2x^2) + (5x - 7x) + 3 + 5 \\ \\ 12x^2 - 2x + 3 + 5 \\ \\ 12x^2 - 2x + 8 \\ \\$

The answer is: 12x² - 2x + 8.

finlep [7]3 years ago

7 0

(10x^2+5x+3)+(2x^2-7x+5)
Add 10x^2 and 2x^2=12x^2
Subtract 7x from 5x=-2x
Add 3 and 5=8

Final Answer: 12x^2-2x+8

Hope this helps! :)

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