Question

Factorise 3c squared-4c+1

Answer 1

(c-1)(3c-1)

Explanation:

3c² - 4c +1

get rid of square and write like this : (3c ... )(3c.... )

you need to din what multiplies to (3 x 1) = 3 but also adds to -4

-3 + -1 = -4

-1 x -1 = 3

put into the brackets

(3c -3 )(3c-1 )

simplify

(c-1)(3c-1)