Question

3^2x^2-2.3^x^2+x+6 +3^2(x+6)

Answer 1

Step-by-step explanation:

3

2x

2

−2.3

x

2

+x+6

+3

2(x+6)

=0

Given equation can be written as :

(3

x

2

)

2

−2.3

x

2

⋅3

x+6

+(3

(x+6)

)

2

=0

⇒(3

x

2

−3

x+6

)

2

=0

⇒3

x

2

=3

x+6

⇒x

2

=x+6

⇒x

2

−x−6=0

⇒x

2

−3x+2x−6=0

⇒(x−3)(x+2)=0

⇒x=3 or x=−2

Answered by Manjiri