SOLUTION: Factor the trinomial completely {{{10z^2-7z-12}}}

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Question 46485: Factor the trinomial completely
10z%5E2-7z-12
Found 3 solutions by Nate, checkley71, hasina:
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
10z%5E2+-+7z+-+12 sum of factors from the product (10)(-12) that equal (-7)
10z%5E2+-+15z+%2B+8z+-+12
%2810z%5E2+-+15z%29+%2B+%288z+-+12%29
5z%282z+-+3%29+%2B+4%282z+-+3%29
%285z+%2B+4%29%282z+-+3%29

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
10Z~2-7Z-12 OR (5Z+4)(2Z-3)=0 OR 5Z+4=0 OR Z=-4/5 OR Z=-.8 & 2Z-3=0 OR Z=1.5

Answer by hasina(4) About Me  (Show Source):
You can put this solution on YOUR website!
100z-7z-12
93z-12