SAT Math Practice Question #31403 - SATify | SATify

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SAT Math Practice Question #31403 - SATify | SATify

#31403

expressions

algebra

medium

60 sec

If $m = 2 x + 1$ and $n = x + 3$ , which of the following is equivalent to $mn - n$ ?

A.

$2 x^{2} + 4 x$

B.

$2 x^{2} + 5 x$

C.

$2 x^{2} + 6 x$

D.

$2 x^{2} + 7 x$