please help answer help

Algebra
Tutor: None Selected Time limit: 1 Day

May 3rd, 2015

ANSWERS

     .the factors of 6 that when multiplied gives 6 and added gives 5 are     3 , 2

     . x^2 + 5x + 6 =0 would factor into  ( x + 2 ) (x + 3)

                                                                x= -2  ,  x = -3

                                                                x= -3  , x = -2


SOLUTION

 x^2 + 5x + 6 =0

 x^2 + 2x + 3x + 6 =0                  ( we find the numbers as 3 , 2 to split it like this that is 5x = 3x +2x)

 x ( x+2 ) + 3 ( x + 2 ) = 0

 (x + 3)(x + 2) = 0

x = -3   or x= -2 .........................................ANSWERS


hope you understood..please message if you have any doubts...thank you


May 3rd, 2015

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