Algebra Examples

$3 \cdot 3^{x - 1}$

Step 1

Multiply $3$ by $3^{x - 1}$ .

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Step 1.1

Raise $3$ to the power of $1$ .

$3^{1} \cdot 3^{x - 1}$

Step 1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$3^{1 + x - 1}$

Step 2

Combine the opposite terms in $1 + x - 1$ .

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Step 2.1

Subtract $1$ from $1$ .

$3^{x + 0}$

Step 2.2

Add $x$ and $0$ .

$3^{x}$