8 7 ⋅ x − 7 3 4 1 July 8, 2019 16 32 64 128 8 7 x 4 3 (- 1 7 7 8 x 10 3 4 13 7 8 x 19 7 8 x 3 4 air filter 7 8 x 3 1 4 in simplest form 7 8 x 3 12 4 7 7 8 x 10 3 4 frame 7 8 x 4 15 x 3 7 7 8 11 4 x 3 7 24 − 4 ⋅ ( x − 7 6 ) = 8 ⋅ ( x − 1 8 ) − 3 2 − − − 7 ( 4 7) 6 8
