M 2 m 30 July 8, 2019 16 32 64 128 M 2 m 30 0 Factorise m 2 m 30 25m2 + 30m + 9 Factorise 25m2 + 30m + 9 M ∠ 2 30 m ∠ p M 2 11m 30 m 6 30 m 2
