How do you solve x^5+3x^2=0?

2009-01-01 1:52 am

回答 (6)

2009-01-01 10:16 am
✔ 最佳答案
x^5 + 3x^2 = 0
x^2(x^3 + 3) = 0

x^2 = 0
x = ±√0
x = 0

x^3 + 3 = 0
x^3 = -3
x = ³√(-3)

∴ x = ³√(-3) , 0
2009-01-01 9:58 am
x^2(x^3+3)=0
x = 0 or x = (-3)^(1/3)
2009-01-01 9:58 am
x^5+3x^2=0
x^2 ( x^3 + 3) = 0
x = 0 repeated twice, x = -sqrt(3) repeated three times
2009-01-01 9:56 am
Use a graphing calculator.
2009-01-01 9:58 am
Factor it.
2009-01-01 9:57 am
by using a calculater


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