Question

Factorise :
1. 16-9x2
2. 1 - 10022
3. 4x² - 811²
4.
4
25
25b2​

Answer 1

Answer:

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Answer 2

Answer:

1).

4²-3²x2

2)

_______

3)

(4x+811) (4x-811)

(815x )(-807 )

=-657,705

4)

2²

5²

5²b2

Step-by-step explanation:

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