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dondre54
04.02.2020 •
Mathematics
What does (2x^2+3x-4)+(x^2-x-2) equal?
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Ответ:
3x2+2x+2
Step-by-step explanation:
(2x2+3x+4)+(x2-x-2)
2x2+3x+4+x2-x-2
Like terms
1) numbers without variables: +4 and -2
2) numbers with a single x variable: +3x and -x
3) numbers with a x2 variable: +2x2 and +x2
Combine like terms
1) +4-2=2
2) +3x-x=2x
3) +2x2+x2=3x2
Add the combined terms together to get your answer
3x2+2x+2
Ответ:
Okay I know the value of m.