SOLUTION: im doing factoring trinomials of the type x2+bx+c and i don't understand how to do it. my teacher does not explain things very well...

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: im doing factoring trinomials of the type x2+bx+c and i don't understand how to do it. my teacher does not explain things very well...      Log On


   



Question 730904: im doing factoring trinomials of the type x2+bx+c and i don't understand how to do it. my teacher does not explain things very well...
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Post a problem so we can help you out.

The basic idea is to find two numbers that multiply to c AND also add to b at the same time. This will help you factor.

Example:

Factor x^2 + 5x + 6

Find two numbers that multiply to 6 AND add to 5. The two numbers are 3 and 2, so it factors to (x+3)(x+2)