Find the value of xcube +2xsquare-5x=1 at x=2
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Answered by
0
Answer:
xcube = 2 cube = 8
Step-by-step explanation:
This is how u do it
The answer is already given that X = 2
Answered by
0
Step-by-step explanation:
x^3 + 2x^2 - 5x = 1
x^3 + 2x^2 - 5x -1 = 0
When x = 2,
(2)^3 + (2)(2)^2 - 5(2) - 1
= 8 + 8 - 10 -1
= 5
Hope this helps.
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