English, asked by Anonymous, 1 year ago

x^2+7x=9

hope you Solve this question​

Answers

Answered by sosototo1896
0

Answer:

Explanation:Use the quadratic formula to find the solutions.

b±√ b2− 4 ( ac ) 2 a Substitute the valuea = Use the quadratic formula to find the solutions.

b

±

b

2

4

(

a

c

)

2

a

Substitute the values  

a

=

1

,  

b

=

7

, and  

c

=

9

into the quadratic formula and solve for  

x

.

7

±

7

2

4

(

1

9

)

2

1

Simplify.

Tap for more steps...

x

=

7

±

85

2

The result can be shown in multiple forms.

Exact Form:

x

=

7

±

85

2

Decimal Form:

x

=

1.10977222

,

8.10977222

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