Question

1 E 21. Find the value of the discriminant and hence write the nature of roots of the equation x² + 3x + 2 = 0​

Answer 1

Answer:

D=b²-4ac=3²-4×2

=9-8=1>0

D>0 means roots are real and unequal

x²+3x+2=0

x²+2x+x+2=0

x(x+2)+1(x+2)=0

(x+1)(x+2)=0

x=-1 or x=-2