M 4 )( 2m 5 )( 3m 1 July 8, 2019 16 32 64 128 Show that m 4 )( 2m 5 )( 3m 1 5 2 m− 5 4 − 5 3 m 4m(3 + 5m) – (m + l)(т – 2) - 4(5 - 2m) + 3(m - 4) = 6(2 - m) - 5m 4m - (m - 4) + (5 - 2m) = m + 9