Algebra

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Difficult

Polynomial Like Terms

ALGEBR-KPWJ71

Combine the like terms in the following equation:

$$17t + 8s - 4r + t^{2} + r^{2} - 6s - t^{2}$$

A

$r^{2} - 4r + 17t - 2s$

B

$r^{2} + t^{2} +17t + 2s$

C

$2t^{2} + 17t - 2s + r^{2}$

D

$r^{2}+ 18t^{2} - s$