SAT Math Practice Question #32385 - SATify | SATify

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SAT Math Practice Question #32385 - SATify | SATify

#32385

expressions

algebra

hard

90 sec

For a positive integer $m$ , which of the following is equivalent to $(1 - x^{m}) (1 + x^{m} + x^{2 m} + x^{3 m})$ ?

A.

$1 - x^{3 m}$

B.

$1 - x^{4 m}$

C.

$1 - x^{5 m}$

D.

$1 - x^{6 m}$