whats the answer to x2-4x=0?

2 ⤊

what i have to do is solve quadratic equation by factoring the question is x squared - 4x=0

2006-12-14 11:15:26 · 5 answers · asked by red b 1 in Science & Mathematics ➔ Mathematics

Original equation:
x² - 4x = 0

Factor out a common x:
x(x - 4) = 0

So x = 0 or x - 4 = 0

Solving you get:
x = 0 or x = 4

2006-12-14 11:18:07 · answer #1 · answered by Puzzling 7 · 1⤊ 0⤋

X = 0 or X = 4

2006-12-14 11:19:04 · answer #2 · answered by NIK..! 5 · 1⤊ 0⤋

Factor out an x:
x(x-4)=0
x=0
x-4=0
x=0 and 4

Check:
(0)^2-4(0)=0
0=0

(4)^2-4(4)=0
16-16=0
0=0

2006-12-14 11:21:51 · answer #3 · answered by Anonymous · 0⤊ 0⤋

x²-4x=0
x(x-4)=0
x=0 or x=4

2006-12-16 03:36:15 · answer #4 · answered by Ranna Renni 2 · 0⤊ 0⤋

1) b 9) d 11) c

2016-05-24 06:15:22 · answer #5 · answered by Anonymous · 0⤊ 0⤋