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if 9^(x+2)=240+9^x , then x= 0. 5 (b...

if `9^(x+2)=240+9^x ,` then `x=` `0. 5` (b) 0.2 (c) 0.4 (d) 0.1

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To solve the equation \( 9^{(x+2)} = 240 + 9^x \), we can follow these steps: ### Step 1: Rewrite the equation We start with the equation: \[ 9^{(x+2)} = 240 + 9^x \] We can rewrite \( 9^{(x+2)} \) as \( 9^x \cdot 9^2 \): ...
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