Question

if the zeroes of the quadratic polynomial x2+(a+3)x+b are 2 and -1, then​

Answer 1

Answer:

complete your question then what

Answer 2

Answer:

(x−3)(2x+1)=(x)(x+5)

⇒2x

2

+x−6x−3=x

2

+5x

⇒x

2

−10x−3=0

⇒x=

2

−(−10)±

(−10)

2

−4(1)(−3)

=

2

10±

112

=5±

28