Question

4c^2 - 12c + 9 help factor.

Answer 1

4c^2 -6c -6c +9
can you do it now ?

Answer 2

you multiply them then subtract? im sorry im not good at factors. :x

Answer 3

@Coolsector

Answer 4

4c(c-1.5)-6(c-1.5)
(4c-6)(c-1.5)

Answer 5

how did you get (c-1.5)? D: @Coolsector

Answer 6

4c^2 -6c -6c +9
look at the first two terms :
4c^2 -6c
we can take 4c out and : 4c(c-1.5)
look at the last two terms:
-6c+9 we can take -6 out and : -6(c-1.5)
now we have
4c(c-1.5)-6(c-1.5)
we can take c-1.5 out and :
(c-1.5)(4c-6)

Answer 7

is that the easiest way to explain it is there another way? :s @Coolsector

Answer 8

you can use the formula (-b +/- sqrt(b^2 - 4ac)) / 2a
for finding roots ..