Tuesday
September 1, 2015

Homework Help: math help

Posted by sunny on Friday, March 28, 2014 at 5:00pm.

factor:

1) (x+y)^2 - (a+b)^2
= [(x+y) - (a+b)] [(x+y) + (a+b)]
= [x+y-a-b] [x+y+a+b]

2) 6x^4 - 6
= 6(x^4 - 1)
= 6(x^2-1)(x^2+1)

Is this right?

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