SOLUTION: Factor: 1a) 9a^2 - 16 1b) 3x^3-x^2+6x-2

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Question 346680: Factor:
1a) 9a^2 - 16
1b) 3x^3-x^2+6x-2
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
%289a%5E2+-+16%29=%283%5E2a%5E2-4%5E2%29 this is a perfect square
%283a-4%29%283a%2B4%29


3x%5E3-x%5E2%2B6x-2 seperate
%283x%5E3-x%5E2%29%2B%286x-2%29 factor what u can from each
x%5E2%283x-1%29%2B2%283x-1%29factor again
%283x-1%29%28x%5E2%2B2%29