SAT Math Practice Question #34604 - SATify | SATify

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SAT Math Practice Question #34604 - SATify | SATify

#34604

expressions

algebra

hard

90 sec

If $P (a, b) = 4 a^{2} - 3 ab + 2 b^{2}$ and $Q (a, b) = a^{2} + 5 ab - b^{2}$ , which expression represents $P (a, b) - Q (a, b)$ ?

A.

$3 a^{2} - 8 ab + 3 b^{2}$

B.

$3 a^{2} + 2 ab + b^{2}$

C.

$5 a^{2} + 2 ab + b^{2}$

D.

$5 a^{2} - 8 ab + 3 b^{2}$