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Reika [66]
3 years ago
15

Factorise this expression as fully as you can 12x^3-9x^2

Mathematics
1 answer:
musickatia [10]3 years ago
7 0
Exponent rule added:

12xx^2 -9x^2

rewrite 9 as 3 x 3, rewrite 12 as 3 x 4

3 * 4xx^2 - 3 * 3x^2 ( * is multiply)

factor common terms:

3x^2(4x-3) - answer.
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