C-03-Q034mediumsingle_mcqSimplify: (5x+7y+3z)2+2(7x−7y−3z)(5x+7y+3z)+(7x−7y−3z)2(5x+7y+3z)^2 + 2(7x-7y-3z)(5x+7y+3z) + (7x-7y-3z)^2(5x+7y+3z)2+2(7x−7y−3z)(5x+7y+3z)+(7x−7y−3z)2a(12x)2(12x)^2(12x)2b(12y)2(12y)^2(12y)2c(7x)2(7x)^2(7x)2d000ব্যাখ্যাThe expression has the form P2+2PQ+Q2=(P+Q)2P^2+2PQ+Q^2=(P+Q)^2P2+2PQ+Q2=(P+Q)2 with P=5x+7y+3zP=5x+7y+3zP=5x+7y+3z and Q=7x−7y−3zQ=7x-7y-3zQ=7x−7y−3z. Their sum is 12x12x12x, so the result is (12x)2(12x)^2(12x)2.