4 9 x 2 5 x 3 2 7 July 8, 2019 16 32 64 128 Multiply 2 3 x 2 4 7 x 5 9 5 x 7 = 35 −9 ∙ 2 5 + 9 ∙ (−4 5) 2 ⋅ ( x − 9 5 ) − 3 ⋅ ( x + 1 8 ) = − 4 4
