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What is the value of 3x ( 2x²+6x+3) when x is -3? a. -27 b. 0 c. 27 d. 54
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5 votes
What is the value of 3x ( 2x²+6x+3) when x is -3?

a. -27
b. 0
c. 27
d. 54

User Chad Schouggins
by
7.9k points

1 Answer

4 votes

3x ( 2x²+6x+3)=
3(-3)(2*3²+6*3+3)
-9 (2*9-18+3)=
-9 (18-18+3)=
-9 (0+3)
-9*3=
-27

User Meomeomeo
by
8.0k points
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