Question

If a+b+c = 4, then a^3+b^3+c^3-12c^2+48c-64
Please tell ASAP , it's very urgent

Answer 1

Step-by-step explanation:

a^3+b^3+c^3-12c^2+48c-64

=a^3+b^3-(c^3+12c^2-48c+64)

=a^3+b^3-(4-c)^3

=a^3+b^3-(a+b)^3

=-3ab(a+b)