Factorise:z - 7 + 7xy - xyz from Mathematics Factorisation

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Factorisation

Short Answer Type

21.

Factorise the following expression:

x²yz + xy²z + xyz²

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22.

Factorise the following expression:

a x²y + b x y²+ c x y z

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23.

Factorise.
x² + xy + 8x + 8y

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24.

Factorise:

15xy - 6x + 5y -2

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25.

Factorise:

ax + bx - ay - by

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26.

Factorise:

15pq + 15 + 9q + 25p

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27.
Factorise:

z - 7 + 7xy - xyz

Regrouping the terms, we have

z - 7 + 7xy - xyz = z - 7 - xyz + 7xy

= 1[z - 7] - xy[z - 7]

= (z - 7) (1 - xy)

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28.

Factorise:

5xy + 3x

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29.

Factorise:

3x²+ 6x

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30.

Factorise:

2x + 4

200 Views

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