active book maths Active Maths 4 Book 2 31 dic, 2021 Active Maths 4 Book 2 . −12 (c) 6 terms (d) 32 (v) 44x5 − 12x4 + 4x3 − 12x2 + 4x − 77x4 + 21x3 − 7x2 + 21x − 7 = 44x59−…
