SOLUTION: How do I factor 2x^3+10x^2+x+5

Question 244496: How do I factor 2x^3+10x^2+x+5
Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
The way to factor this is look at the first two terms 2x^3+10x. This can be rewritten as:
2x^2(x+5)
Now let's look at the last two terms. x+5 or 1(x+5) Notice it matches the above in parenthesis. This can be rewritten as:
(2x^2+1)(x+5) Now we can solve for x
x=-5
2x^2+1 = 0 Rewritten
2x^2=-1
x^2=-1/2
x=square root of -1/2
Make sense?
RJ Toftness
www.math-unlock.com
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