Question

Determine (8x)^x if 9^x+2 = 240 + 9^x​

I will mark him/her as brainliest. So pls answer it.

Answer 1

Step-by-step explanation:

Given,

9

x+2

=240+9

x

9

x

×9

2

−9

x

=240

9

x

(81−1)=240

9

x

=3

3

2x

=3

By comparing powers

∴x=

2

1

Now (8x)

x

=(8×

2

1

)

2

1

=2

I hope it helps you