Question

3x^3y - 243xy^3 FACTORISE

Answer 1

Answer:

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Step-by-step explanation:

3xy(x^2-81y^2)

3xy(x-9y)(x+9y)

Answer 2

3xy(x-9y)(x+9y)

Step-by-step explanation:

3x³y-243xy³

Factor out the common term 3xy

=3xy(x²-81y²)

= 3xy(x²-(9y)²)

Difference of square a²-b²=(a+b)(a-b)

=3xy(x-9y)(x+9y)

Learn More:

Factorise (x³+8)

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