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

👍 0 👎 0

2009-01-01 9:58 am

x^2(x^3+3)=0
x = 0 or x = (-3)^(1/3)

👍 5 👎 1

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

👍 3 👎 1

2009-01-01 9:56 am

Use a graphing calculator.

👍 1 👎 1

2009-01-01 9:58 am

Factor it.

👍 0 👎 0

2009-01-01 9:57 am

by using a calculater

👍 0 👎 0