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11.

Find the common factors of the given term.

10 pq, 20qr, 30rp

191 Views

12.

Find the common factors of the given term.

3x²y³ , 10x³y², 6x²y²z

164 Views

13.

Factorise the following expression:

7x - 42

246 Views

14.

Factorise the following expression:

6p - 12q

204 Views

15.

Factorise the following expression:

7a²+ 14a

185 Views

16.

Factorise the following expression:

-16z + 20z³

153 Views

∵ 20 l²m = 2 × 2 × 5 × l × l × m = (2 × 5 × l × m) × 2 × l

30 alm = 2 × 3 × 5 × a × l × m = (2 × 5 × l × m) × 3 × a

∴ 20 l²m + 30 alm = (2 × 5 × l × m)[2 × l + 3 × a]

= 10lm[21 + 3a]

200 Views

18.

Factorise the following expression:

5x²y - 15xy²

176 Views

19.

Factorise the following expression:

10a²- 15b² + 20c²

163 Views

20.

Factorise the following expression:

-4 a² + 4 ab - 4 ca

130 Views