factorising help
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Original post by zed963
How would i factorise this using the difference of squares method.
9(p+1)^2-4p^2
and also this 4a^2-64b^2
9(p+1)^2-4p^2
and also this 4a^2-64b^2
x^2-y^2=(x+y)(x-y)
for the first example, x^2= 9(p+1)^2 and y^2=4p^2
you do the rest...
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