SAT Math Practice Question #36289 - SATify | SATify

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SAT Math Practice Question #36289 - SATify | SATify

#36289

expressions

factoring

algebra

hard

100 sec

The polynomial $P (x) = x^{3} + a x^{2} + b x + 12$ has factors $(x - 1)$ and $(x + 2)$ . What is the value of $a + b$ ?

A.

$- 13$

B.

$- 10$

C.

$- 7$

D.

$- 5$