Solve a²+b²-c²-d²+2ab-2cd by factorisation Share with your friends Share 1 Priyanka Kedia answered this a2+b2-c2-d2+2ab-2cd=a2+b2+2ab-c2-d2-2cd =a2+b2+2ab-c2+d2+2cd =a+b2-c+d2 =a+b+c+da+b-c-d Use identity, x2-y2=x-yx+yHence, a2+b2-c2-d2+2ab-2cd=a+b+c+da+b-c-d 2 View Full Answer
