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Factorise: 3x^5 – 48x^3

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Factorise: 3x5 – 48x3

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3x5 – 48x3 can be written as 3x3(x2 – 16)

By using the formula a2 – b2 = (a+b) (a-b)

Now solving for the above equation

3x3(x2 – 16) 

= 3x3((x)2 – (4)2)

= 3x3(x+4) (x-4)

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