## ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 11 Factorisation Ex 11.4

**Factorise the following (1 to 11) polynomials:**

Question 1.

(i) x^{2} + 3x + 2,

(ii) z^{2} + 10z + 24

Solution:

Question 2.

(i) y^{2} – 7y + 12

(ii) m^{2} – 23m + 42

Solution:

Question 3.

(i) y^{2} – 5y – 24,

(ii) t^{2} + 23t – 108

Solution:

Question 4.

(i) 3x^{2} + 14x + 8,

(ii) 3y^{2} + 10y + 8

Solution:

Question 5.

(i) 14x^{2} – 23x + 8,

(ii) 12x^{2} – x – 35

Solution:

Question 6.

(i) 6x^{2} + 11x – 10

(ii) 5 – 4x – 12x^{2}

Solution:

Question 7.

(i) 1 – 18y – 63y^{2},

(ii) 3x^{2} – 5xy – 12y^{2}

Solution:

Question 8.

(i) x^{2} – 3xy – 40y^{2}

(ii) 10p^{2}q^{2} – 21pq + 9

Solution:

Question 9.

(i) 2a^{2}b^{2} + ab – 45

(ii) x (12x + 7) – 10

Solution:

Question 10.

(i) (a + b)^{2} – 11(a + b) – 42

(ii) 8 + 6(p + q) – 5(p + q)

Solution:

Question 11.

(i) (x – 2y)^{2} – 6(x – 2y) + 5

(ii) 7 + 10(2x – 3y) – 8(2x – 3y)^{2}

Solution: