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Mathematics 12 Online
OpenStudy (anonymous):

Subtract and simplify: (13x^2 + 2) – (4x^2 + 2x – 7)

jimthompson5910 (jim_thompson5910):

(13x^2 + 2) – (4x^2 + 2x – 7) 13x^2 + 2 – 4x^2 - 2x + 7 ... distribute (13x^2 – 4x^2) - 2x + (2 + 7) ... group like terms 9x^2 - 2x + 9 ... combine like terms

OpenStudy (anonymous):

A.) 9x2 – 2x + 9 B.) 9x2 + 2x + 9 C.) 9x2 – 2x – 5 D.) 17x2 + 2x – 5

jimthompson5910 (jim_thompson5910):

The answer is listed

jimthompson5910 (jim_thompson5910):

And I just wrote it

jimthompson5910 (jim_thompson5910):

9x^2 - 2x + 9 is the same as \[\large 9x^2 - 2x + 9\]

OpenStudy (anonymous):

oh ya duh silly me :) thank you

jimthompson5910 (jim_thompson5910):

you're welcome

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