Trigonometry Examples

$5 \cdot 4^{3 n} \cdot 4 - 20 \cdot 8^{n}$

Step 1

Move $4$ .

$5 \cdot (4 \cdot 4^{3 n}) - 20 \cdot 8^{n}$

Step 2

Multiply $4$ by $4^{3 n}$ .

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Step 2.1

Raise $4$ to the power of $1$ .

$5 \cdot (4^{1} \cdot 4^{3 n}) - 20 \cdot 8^{n}$

Step 2.2

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

$5 \cdot 4^{1 + 3 n} - 20 \cdot 8^{n}$