Please only need the answer

Only answer Please ", Evaluate fach determinate when 2 = 3 6:2 and C = - 5 b b, a o O 10 C 0 6 0 2, use expantion by cafactor to Find the determinant of the matrix 4 7 2 O S, use expansion by lofactor to find the determinate of the matrix - 012 012 012 012 014 013 013 014 012 I, ice elementary vow of Column operation to find the Determinant - 2 5 5 7