4 5 x 2 9 x 6 7 x 7 July 8, 2019 16 32 64 128 2 x 7 5 x 9 x 3 4 x 7 6 4 5 x 2 9 x 6 7 x 7 8 5 x 7 = 35 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 ) 4 5/7 x (-6 5/7) 4 5 x 2 + 7 x + 9 = 0