Which expression is equivalent to $(9t^4 - 2t^2 + 9t - 5) - (4t^4 - 6… | Ronan SAT

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Question

Prompt

Which expression is equivalent to

(9 t^{4} - 2 t^{2} + 9 t - 5) - (4 t^{4} - 6 t^{2} + 5 t - 5)

?

5 t^{4} + 4 t^{3} - 7 t^{2} + 9 t - 10

A

5 t^{4} + 4 t^{2} + 4 t

B

5 t^{4} + 2 t^{2} + 14 t - 10

C

5 t^{4} + 2 t^{3} - 4 t

D