Question

Solve 3x2 = 12x.

Answer 1

3x^2 - 12x = 0
x(3x-12)=0
x = 0 or 3x-12 =0
x = 0 or x = 4

Answer 2

\[3 x^2=12x\]
\[x^2=4x \therefore x^2-4x=0 \therefore x(x-4)=0 \therefore x= 0 or x =4\]

Answer 3

x=4

Answer 4

0 is also a solution