Multiply (x2 + 2x + 3) by 3.

a. 3x2 + 2 + 9x
b. 3x + 2x2 + 3
c. 3x3 + 2x2 + 9
d. 3x2 + 5x + 6
e. 3x2 + 6x + 9


e. 3x2 + 6x + 9

Mathematics

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Mathematics