SOLUTION: How can i Factor Completely the following: 6z^2-12z+30 3x^2+21x+27 16x^4-1

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Question 1744: How can i Factor Completely the following:
6z^2-12z+30
3x^2+21x+27
16x^4-1
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
1. 6z%5E2-12z%2B30
6%28z%5E2-2z%2B5%29
6%28z%5E2-2z%2B1%2B4%29
6%28%28z-1%29%5E2+%2B+4%29
2. 3x%5E2%2B21x%2B27
3%28x%5E2%2B7x%2B9%29
3%28x%5E2%2B7x%2B%2849%2F4%29-%2813%2F4%29%29
3%28%28x%2B%287%2F2%29%29%5E2+-+%2813%2F4%29%29
3. 16x%5E4-1
%284x%5E2%29%5E2+-+1%5E2
%284x%5E2+%2B+1%29%284x%5E2+-+1%29
cheers
Jon.