Please solve x^2 + 5x=0?

2010-02-23 10:47 am

回答 (5)

2010-02-23 11:08 am

✔ 最佳答案

x^2 + 5x = 0
x(x) + 5(x) = 0
x(x + 5) = 0

x = 0

x + 5 = 0
x = -5

∴ x = -5, 0

👍 0 👎 0

2010-02-23 6:56 pm

Factors:
= xÂ² + 5x
= x(x + 5)

Roots:
x = 0
x + 5 = 0, x = - 5

Answer: x = 0, - 5

👍 4 👎 0

2010-02-23 6:49 pm

x(x+5) = 0
x = 0 or x+5 = 0
x = 0 or -5.

👍 3 👎 0

2010-02-23 6:55 pm

x^2 + 5x=0
x(x+5)=0
x=0 x+5=0
.....x=-5

x=0, -5 answer//

👍 0 👎 0

2010-02-23 6:47 pm

x = adopted

👍 0 👎 5