I really need help with this problem and I know it is easy but I forgot how to factor completely 125 -27z^3. please help me!!
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I really need help with this problem and I know it is easy but I forgot how to factor completely 125 -27z^3. please help me!!
Note the difference of two cubes
Yea I remember now!
Is this the answer? Jajaja
Just to be sure!
(5-3)(25+15w+9w)
No, not quite.
Now use the formula
Where
Yea!
I wrote it wrong
It is (5-3z)(25+15z+9z)
I couldn't remember that
But the class is over now
Thanks!
you still got wrong
it is (5-3z)(25+15z+9Z^2)
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