Question

how do you solve 3xsquared - 12x + 12 = 0

Answer 1

Factor then find the zeros.

Answer 2

can you show me?

Answer 3

Divide out the common factor of 3 first

Answer 4

ok and then?

Answer 5

E.g. 3 (x^2 - 4x + 4)

Answer 6

Notice its a perfect square...(x-2)^2
or look for factors of 4 which add up to -4

Answer 7

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