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How do you factorise brac x-y brac squared - z sqaured brac. stands for bracket?
Wiki User
∙ 9y ago
(x - y)2 - z2 is a difference of two squares (DOTS), those of (x-y) and z.
So the factorisation is [(x - y) + z]*[(x - y) - z]
= (x - y + z)*(x - y - z)
Wiki User
∙ 9y ago
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