SOLUTION: If x2 - 13x + 42 = (x + A)(x + B), then A + B = -42 -1 13 42 none of these

Algebra ->  Rational-functions -> SOLUTION: If x2 - 13x + 42 = (x + A)(x + B), then A + B = -42 -1 13 42 none of these       Log On


   

Question 59665: If x2 - 13x + 42 = (x + A)(x + B), then A + B =
-42
-1
13
42
none of these

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
none of the above because the factors are -6, -7 which add up to -13