Rachelhardin17
Rachelhardin17
08-04-2016
Mathematics
contestada
Help with polynomials
Respuesta :
Eesabella
Eesabella
08-04-2016
(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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Exvited
Exvited
09-04-2016
[tex](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 \\ \\ [/tex]
The answer is:
12x² - 2x + 8
.
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