how do you factorise?

for example putting 2x² + x - 3 into the form (2x + 3)(x - 1)

factorise
9x to the power of 4 - 64y to the power of 2

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  1. HiJust wandering When I factorise the following : 4s-16t+20r It will equal to 2 ( 2s - 8t + 10 r ) This was the answer in the
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