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musickatia [10]
2 years ago
10

Pls help.

Mathematics
1 answer:
DIA [1.3K]2 years ago
5 0

Answer:

a)

{ (15x)}^{2}

15 \times x \times 15 \times x

225 {x}^{2}

b)

{(x - 2)}^{2}

(x - 2) \times (x - 2)

{x}^{2}  - 2x - 2x + 4

{x}^{2}  - 4x + 4

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