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If x = 3 what is the value of x3 – 2x

If x = 3 what is the value of x3 – 2x
asked 27.9k views
14 votes
If x = 3 what is the value of x3 – 2x

asked
User BAERUS
by
7.8k points

2 Answers

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

21
answered
User Jstell
by
8.1k points
11 votes

Explanation:

When

x = 3

x³ - 2x = (3)³ - 2 * 3

= 27 - 6

= 21

Hope it will help :)

answered
User Balun
by
7.8k points
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