Question

x^2+8x+9=0 by Quadratic equation by completing square method​

Answer 1

Answer:

can't get the question you posted

Answer 2

Answer:

Correct option is

C

−9,1

x

2

+8x−9=0

⇒x

2

+2×(4)×x+16−25=0

(x+4)

2

=25

(x+4)

2

=5

2

x+4=±5

⇒x=1 and −9

Hence, the answer is 1,−9.