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6. Exponents and Polynomials - 3! 2부

6. Exponents and Polynomials / Multiplying Polynomials / 문제 4

문제 4

Which of the following expressions is a binomial?

A

$x^{2} + 2 x - 1$

B

$3 x minus 7$

C

$5$

D

$x^{3}$