jm1178640
jm1178640 jm1178640
  • 25-11-2020
  • Mathematics
contestada

Step by step please
9x^2 -3х + 16 = 6

Respuesta :

Аноним Аноним
  • 25-11-2020

Answer:

Step-by-step explanation:

Rewrite  

9

x

2

as  

(

3

x

)

2

.

(

3

x

)

2

−

16

Rewrite  

16

as  

4

2

.

(

3

x

)

2

−

4

2

Since both terms are perfect squares, factor using the difference of squares formula,  

a

2

−

b

2

=

(

a

+

b

)

(

a

−

b

)

where  

a

=

3

x

and  

b

=

4

.

(

3

x

+

4

)

(

3

x

−

4

)

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