math help
posted by sunny .
factor:
1) (x+y)^2  (a+b)^2
= [(x+y)  (a+b)] [(x+y) + (a+b)]
= [x+yab] [x+y+a+b]
2) 6x^4  6
= 6(x^4  1)
= 6(x^21)(x^2+1)
Is this right?
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