what is the formula of (a-b-c)2 ? Share with your friends Share 18 Priyanka Kedia answered this 66 View Full Answer N Chouhan answered this it should be 2(a)-2(b)-2(c).= (a-b-c)2 0 Anu Abi answered this 2(a)-2(b)-2(c).= (a-b-c)2 -9