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Mathematics 12 Online
OpenStudy (anonymous):

Subtract these polynomials. (3x3 - 4x2 + x - 2) - (x3 - 5x2 + 3x + 2) A. 2x3 + x2 + 2x - 4 B. 2x3 + x2 - 2x - 4 C. 2x3 + x2 - 2x D. 2x3 - x2 - 2x - 4

Parth (parthkohli):

The signs get changed in the second bracket. Can you solve it now? :)

OpenStudy (anonymous):

I got B

Parth (parthkohli):

2x3 - 4x2 + x - 2 - x3 + 5x2 - 3x - 2 => 3x3 + x2 - 2x - 4

Parth (parthkohli):

CORRECT

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