Question

Factorise the following by splitting the middle term ​

Answer 1

Answer:

$(x-9y)(x+8y)$

Step-by-step explanation:

x²-xy-72y²

x²-9xy+8xy-72y²

x(x-9y) + 8y(x - 9y)

(x-9y)(x+8y)

Answer 2

Answer= (x-9y)(x+8y)

Step-by-step explanation:

=x^2-xy-72y^2

=x^2-9xy+8xy-72y^2

=x(x-9y)+8y(x-9y)

=(x-9y) (x+8y)

Hope this helps you

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