2 5 x 2 89 x 4 10 x 3 11 July 8, 2019 16 32 64 128 2 89+x=5 347 2⋅(x−9 5)−3⋅(x+1 8)=−4 4 (2x + 3) (5x − 4) = x (10x − 2) − 39
