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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

∵ -16z = (-1) × 2 × 2 × 2 × 2 × z = (2 × 2 × z) × (-1) × 2

20z³ = 2 × 2 × 5 × z × z × z = (2 × 2 × z) × 5 × z × z

∴     -16z + 20z³= (2 × 2 × z) [(-1) × 4 + 5 × z × z]

                       = 4z[-4 + 5z²]

153 Views

17.

Factorise the following expression:

20 l²m + 30 a l m

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