Question

find b²-2bc+c²,if a=4,b=3,c=2​

Answer 1

Answer:

(3)(3)-2(3)(2)+(2)(2)

9-12+4

1

Answer 2

Answer:

$b ^{2} - 2bc + c {}^{2} \: \\ 3 ^{2} - 2(3 \times 2) + 2 ^{2} \\ 9 - 6 - 4 + 4 \\ 3 - 0 = 3$

hope it will definitely help u