Algebra Examples

$3^{2 x - 1} - 4 \cdot 3^{x} + 9 = 0$

Step 1

Rewrite $3^{2 x - 1}$ as $3^{2 x} \cdot 3^{- 1}$ .

$3^{2 x} \cdot 3^{- 1} - 4 \cdot 3^{x} + 9 = 0$

Step 2

Rewrite $3^{2 x}$ as exponentiation.

${(3^{x})}^{2} \cdot 3^{- 1} - 4 \cdot 3^{x} + 9 = 0$