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If x = 3 what is the value of x3 – 2x
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14 votes
If x = 3 what is the value of x3 – 2x

User BAERUS
by
4.0k points

2 Answers

9 votes
If x=3 than
x^3 = 3^3
3^3=27
2x3=6
So that is
27-6=

21
User Jstell
by
4.0k points
11 votes

Explanation:

When

x = 3

x³ - 2x = (3)³ - 2 * 3

= 27 - 6

= 21

Hope it will help :)

User Balun
by
3.7k points
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