So i need to write a mock up lesson on this and one of the things i need first is
a couple of questions for basic/necessary skills needed

so UG please i could do with some assistance, what are the necessary skills
needed for Factoring the Sum and Difference of Squares
x^2+y^2 = (x+iy)(x-iy)

Where i is an imaginary number, or the square root of -1

So you need to know factoring, squares, radicals, and imaginaries if you're also doing the sums.
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