SAT Math Practice Question #35479 - SATify | SATify

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SAT Math Practice Question #35479 - SATify | SATify

#35479

expressions

algebra

hard

75 sec

If $P = 0.5 x^{3} - 1.2 x^{2} + 3$ and $Q = - 0.3 x^{3} + 0.8 x^{2} - 1$ , what is $P - Q$ ?

A.

$0.2 x^{3} - 0.4 x^{2} + 2$

B.

$0.8 x^{3} - 2 x^{2} + 4$

C.

$0.8 x^{3} - 0.4 x^{2} + 2$

D.

$0.2 x^{3} - 2 x^{2} + 4$