Posted by leah on Sunday, January 7, 2007 at 5:54pm.
please someone help me! i've tried so hard!
m^6 + n^2
28x^2y^2 - 7x^4
thank you so much!!!
For the second one: 28x^2y^2 - 7x^4
Factor out 7x^2: 7x^2(4y^2 - x^2)
Now we try to factor 4y^2 - x^2, which is: (2y + x)(2y - x)
We end up with this: 7x^2(2y + x)(2y - x)
The others cannot be factored any further.
that is true just what mathguru said
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