SOLUTION: okay, so I am factoring by grouping. the problem I have is.... x^2+3x+5x+15 and I needed help with how to work it out.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: okay, so I am factoring by grouping. the problem I have is.... x^2+3x+5x+15 and I needed help with how to work it out.      Log On


   

Question 1007610: okay, so I am factoring by grouping.
the problem I have is.... x^2+3x+5x+15
and I needed help with how to work it out.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Notice the coefficients of the 1st 2 terms are 1 & 3
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Notice the coefficients of the 3rd & 4th terms are 1 & 3 times 5.