teagan4christ teagan4christ

15-02-2017
Mathematics

contestada

Multiply & Simplify.
2a(7a²-3a+9)

A. 9a³-a²+11a
B. 9a²-a+11
C. 14a²-6a+18
D. 14a³-6a²+18a

Respuesta :

Аноним Аноним

15-02-2017

2a(7a²-3a+9)
=14a^3 - 6a^2 +18a

answer is D. 14a³-6a²+18a

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