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t^2 - 16 = (t-6)(t+6)
x^2 - 64 = (x-8)(x+8)
w^2 - 144 = (w-12)(w+2)
z^2 - 16 = (z-4)(z+4)
w^2 - y^2 = (w-y)(w+y)
1ro (a+b)(a-b)
2do = t^2-4^2=(t-4)(t+4)
3ro = x^2-8^2 = (x+8)(x-8)
4to = (w-12)(w+12)
5to = (z+4)(z-4)
6to = (w-y)(w+y)