Recise 9.5 factorisin cach factorisation. Exercise Copy and con a bat 24 C and the + 24 = 6lat16D 90 - 15 = 3(30-3D) 4ef + 16f = 4f(e+ ) d 787 + 8 = g(78+ ) 8 - 12j = 40- 7m2 – 4m = m( - . Factorise each expression. a 5z + 15 b 2y- 14 c 20x + 4 d 9w-3 e 6v+8 f 14u - 21 g 12 - 60 h 14 + 21v i 12 - 15w i 16+ 24x k 8 + 14y | 14 - 35z
Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house