Question

If a=2,b=4,c=1 then value of a^2 - 3bc+4ac is?
Please answer this!!

Answer 1

Answer:

(2)^2-3(4)(1)+4(2)(1)

4-12+8

12-12=0

Answer 2

Answer:

a

$a^{2} - 3bc + 4ac$

(2×2)-3(4)(1)+4(2)(1)

=4-12+8

=-8+8

=0