Factorise-i x2-6 x-8- ii x2-4 x-3- iii a2-5 a-6- iv a2-5 a-6 - a2-3 a-40- vi x2-x-72-

(i) nbsp; (ii) (iii) (iv) (v) (vi) ...

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Standard VIII

Mathematics

Factorisation by Common Factors

Factorise:i x...

Question

Factorise:

(i) x² + 6x + 8; (ii) x² + 4x + 3; (iii) a² + 5a + 6; (iv) a² − 5a + 6; (v) a² − 3a − 40; (vi) x² − x − 72.

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Solution

(i)

(ii)

(iii)

(iv)

(v)

(vi)

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Similar questions

Factorise:

(i) x² + 14x + 49; (ii) 4x² + 4x + 1; (iii) a² − 10a + 25; (iv) 2x² − 24x + 72;

(v) p² − 24p + 144; (vi) x³ − 12x² + 36x.

Factorise:

(i) $4 a^{2} - 25$ (ii) $x^{2} - \frac{9}{16}$ (iii) $x^{4} - y^{4}$ (iv) $[7 \frac{3}{10}]^{2} - [2 \frac{1}{10}]^{2}$ (v) $(0.7)^{2} - (0.3)^{2}$ (vi) $(5 a - 2 b)^{2} - (2 a - b)^{2}$

Q. Factorise:
(i)

25 - 4 x^{2} - 12 x y - 9 y^{2}

(ii)

x^{2} - a^{2} + 10 a b - 25 b^{2}

(iii)

6 x y + x^{2} + 9 y^{2} - 4 a^{2}

(iv)

9 x^{2} + 4 + 12 x - a^{2} + 2 a b - b^{2}

Q. Factorise :
(i)

x^{2} + 7 x + 6

(ii)

x^{2} + 11 x + 18

(iii)

x^{2} + 2 x - 8

(iv)

x^{2} - 4 x - 5

(v)

x^{2} - 8 x + 12

(vi)

x^{2} - 5 x - 24

Q. Simplify :

a^{2} + 4 a^{2} - 3 a + 6 - 10 + 5 a

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Factorise: (i) x2 + 6x + 8; (ii) x2 + 4x + 3; (iii) a2 + 5a + 6; (iv) a2 − 5a + 6; (v) a2 − 3a − 40; (vi) x2 − x − 72.

(i) (ii) (iii) (iv) (v) (vi)

Factorise:

(i) x² + 6x + 8; (ii) x² + 4x + 3; (iii) a² + 5a + 6; (iv) a² − 5a + 6; (v) a² − 3a − 40; (vi) x² − x − 72.

(i)

(ii)

(iii)

(iv)

(v)

(vi)