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# Exercise 3.6: Factorising the Quadratic Polynomial (Trinomial)

Maths : Algebra: Book Back, Exercise, Example Numerical Question with Answers, Solution : Exercise 3.6: Factorising the Quadratic Polynomial (Trinomial)

Exercise 3.6

1. Factorise the following:

(i) x2 + 10x + 24 (ii) z2 + 4z12 (iii) p26p -16 (iv) t2 + 72 17t (v) y2 − 16y80 (vi) a2 + 10a 600

2. Factorise the following:

(i) 2a2 + 9a +10

(ii) 5x2 − 29xy − 42y2

(iii) 9 18x + 8x2

(iv) 6x2 + 16xy + 8y2

(v) 12x2 + 36x2y + 27y2x2

(vi) (a + b)2 + 9(a + b)+ 18

3. Factorise the following:

(i) (pq )2 − 6(pq ) -16

(ii) m2 + 2mn 24n2

(iii) √5a2 + 2a − 3√5

(iv) a4 − 3a2 + 2

(v) 8m3 − 2m2n -15mn2

(vi) 1/x2 + 2/y2 + 2/xy

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9th Maths : UNIT 3 : Algebra : Exercise 3.6: Factorising the Quadratic Polynomial (Trinomial) | Numerical Problems with Answers, Solution | Algebra | Maths