SAT Math Practice Question #15236 - SATify | SATify

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SAT Math Practice Question #15236 - SATify | SATify

#15236

algebra

expressions

medium

120 sec

If $a = 2 x - 1$ and $b = x + 3$ , which of the following is equivalent to $ab + 3 a - b$ ?

A.

$2 x^{2} + 10 x - 9$

B.

$2 x^{2} + 4 x - 9$

C.

$2 x^{2} + 10 x - 3$

D.

$2 x^{2} + 6 x - 3$