EXERCISE 6D (1) Find each of the following products: (i) (x + 6) (x + 6) = x 2  + 6x + 6x + 36 = x 2  + 12x + 36 = x 2  + (2 × x × 6) + 6 2 = (x + 6) 2 (ii) … Read more »

EXERCISE 6C (1) Divide: (i) 24x 2 y 3  by 3xy = 8xy 2 (ii) 36xyz 2  by – 9xz = – 4yz (iii) – 72x 2 y 2 z by – 12xyz = 6xy (iv) – 56mnp 2  by 7mnp = – 8p (2) … Read more »

EXERCISE 6B Find each the following products: (1) (5x + 7)  × (3x + 4) = (5x × 3x) + (7 × 3x) + (5x × 4) + (7 × 4) = 15x 2  + 21x + 20x + 28 = 15x 2  + 41x +… Read more »

EXERCISE 6A Add: (1) 8ab, – 5ab, 3ab, – ab = 8ab + (- 5ab) + 3ab + (- ab) = 8ab – 5ab + 3ab – ab = 11ab – 6ab = 5ab (2) 7x, – 3x, 5x, – x, – 2x = 7x + (- 3x)… Read more »