SOLUTION: I don't understand how to factor this problem: {{{2a^2-9a-18}}}
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Question 751358: I don't understand how to factor this problem:
Found 2 solutions by reviewermath, FrankM:
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
The factored form of is .
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
These problems take a bit of trial and error.
I got the first and last term but we need the middle term to work.
The 2 has just the two factors, 2 and 1, but 18 has these pairs,(18,1)(9,2)(6,3) along with the choice of where the negative sign goes.
Turns out this is the correct result -
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