## EXERCISE 12 D

QUESTION 1

Divide

(i) 28a^{3}b^{2}c by 7ab

(ii) 48a^{4}b^{5}c^{6} by – 16a^{2}c^{2}

(iii) $-\dfrac{4}{5}a^2b^2c^4 \text{ by } -\dfrac{6}{15}abc^2$

QUESTION 2

Divide :

(i) 16pr^{2}-8pr^{3}-4p^{2}r^{2} by -4pr^{2}

(ii) 6x^{7}-8x^{6}+4x^{5}-10x^{4}+6x^{3} by -2x^{3}

(iii) 7x^{4}y^{2}-14x^{3}y^{3}+35x^{2}y^{4}-56x^{7}y^{5}+21y^{6} by 7x^{2}y^{2}

(iv) $\dfrac{3}{5}abc-\dfrac{2}{5}a^2bc^2+\dfrac{1}{7}ab^2 \text{ by } \dfrac{1}{3}abc$

QUESTION 3

Divide :

(i) (x^{2}+8x+15) by (x+3)

(ii) (2x^{2}+7x+6) by (x+2)

(iii) (-2x^{2}-3x+2) by (x+2)

(iv) (12x^{2}+7xy-10y^{2}) by (3x-2y)

(v) (6+x-4x^{2}+x^{3}) by (x-3)

(vi) (x^{3}-125y^{3}-15x^{2}y+75xy^{2}) by (x-5y)

QUESTION 4

Divide :

(i) x^{3}-125 by (x-5)

(ii) 64a^{3}+27b^{3} by (4a+3b)

(iii) (a^{4}-16) by (a+2)

(iv)