4 9 x 3 8 x 2 7 x 1 6 July 8, 2019 16 32 64 128 3) 7 + 4 x - 1 = 9 x - 1 - 8 4) 5( x + 4 ) - 6 = 3( x + 4 ) + 8 3 ∙ 9 x− 1 2 − 7 ∙ 6 x + 3 ∙ 4 x+1 = 0
