solve and check each of the following quadratic equation

(1)x^+x-6=0
(2)x^+8x+15=0
(3)x^+2x+1=0
(4)x^-3x-4=0
(5)x^-4x-32=0

1) x= -3 or x = -2

2)x= -3 or x= -8
3) x=-1
4) x=4 or x=-1
5) x=8 or x=-4

Hope that helps.

:)