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Popular >

simplify 2^{x+1}+2^x

Solution

simplify

2^{x + 1} + 2^{x}

Solution

3 \cdot 2^{x}

Solution steps

2^{x + 1} + 2^{x}

Apply exponent rule:

a^{b + c} = a^{b} a^{c}

2^{x + 1} = 2^{1} \cdot 2^{x}

= 2^{1} \cdot 2^{x} + 2^{x}

Factor out common term

2^{x}

= 2^{x} (2^{1} + 1)

Refine

= 3 \cdot 2^{x}

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Frequently Asked Questions (FAQ)

What is 2^{x+1}+2^x ?
The solution to 2^{x+1}+2^x is 3*2^x