Question

Solve for x.

2x2 - 4x = 0

a. 0, -4
b. 0, -2
c. 0, 2
d. 2, 4

help me please <3

Answer 1

\[2x^2-4x=0\\2(x^2-2x)=0\\2x(x-2)=0\\\]

Answer 2

hu? can you explain this please?

Answer 3

factoring
simplifying

Answer 4

when A.B=0
A=0 or B=0
ok ?

Answer 5

damn i dont know >.< please keep helping me.

Answer 6

if x-3=0
what is x ?


second question :
when x (x-3) =0

what are value of x ?

Answer 7

okay i got it its c :)

Answer 8

ok

Answer 9

you are right

Answer 10

thanks :D