X square 5 x 8 0 July 8, 2019 16 32 64 128 5 x square 13 x 8 0 Solve 5 x square 8 x 0 3 x square 8 x 5 0 2 x square 8 x 5 0 Solve using formula 5x square + 13x + 8 = 0 X square 1 by x square 5 x 1 by x 8 0 X + 5 x