How do you write 4x^2-24x+27 in the form of a(x-b)^2+c?

1 Answer
Sep 8, 2017

=4(x - 3)^2 - 9

Explanation:

4 x^2 - 24 x + 27 = 4(x^2 - 6 x) + 27

= 4(x - 6/2)^2 - 4(6/2)^2 + 27

= 4(x - 3)^2 - 4(3)^2 + 27

= 4(x - 3)^2 - 36 + 27

=4(x - 3)^2 - 9