Question

x + 12 % of x = what will be the answer​

Answer 1

Answer: (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca

(a+2b-3c)2 = (a)2 + (2b)2 + (-3c)2 + 2(a)(2b) + 2(2b)(-3c) + 2(-3c)(a)

               = a2 + 4b2 + 9c2 + 4ab - 12bc - 6