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Multiplying Polynomials

6. Exponents and Polynomials / Multiplying Polynomials / 문제 4

문제 4

Compute $- x^{2} y^{3} \cdot 3 x^{- 1} y^{2}$ .

A

$- 3 x^{3} y^{5}$

B

$- 3 x y^{5}$

C

$3 x y to the fifth power$

D

$- 3 x^{- 1} y^{5}$