Page 123 - Start Up Mathematics_8 (Non CCE)

2. Divide as directed.

(i) 5(2x + 1)(3x + 5) ÷ (2x + 1)
(ii) 26xy(x + 5)(y – 4) ÷ 13x(y –4)
(iii) 52pqr(p + q)(q + r)(r + p) ÷ 104pq(q + r)(r + p)

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(iv) 20(y + 4)(y + 5y + 3) ÷ 5(y + 4)
(v) x(x + 1)(x + 2)(x + 3) ÷ x(x + 1)

Exemplar Problems

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1. On dividing p(4p – 16) by 4p(p – 2), we get:
(a) 2p + 4 (b) 2p – 4 (c) p + 2 (d) p – 2
3x + 3
2. On simplification = __________.
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3. (9x – 51) ∏ 9 is x – 51. (True/False)
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4. Divide (3x – 48) by (x – 4).
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5. The product of two expressions is x + x + x. If one of them is x + x + 1, find the other.

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