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Popular >

4^x+4^{x+1}=40

Solution

4^{x} + 4^{x + 1} = 40

Solution

x = \frac{3}{2}

+1

Decimal

x = 1.5

Solution steps

4^{x} + 4^{x + 1} = 40

Factor

4^{x} + 4^{x + 1} : 5 \cdot 4^{x}

5 \cdot 4^{x} = 40

Divide both sides by

5

4^{x} = 8

Apply exponent rules

2 x = 3

Solve

2 x = 3 : x = \frac{3}{2}

x = \frac{3}{2}

Graph

Popular Examples

e^{5 x + 3} = 1

x^23^x-3^{x+2}=0

x^{2} 3^{x} - 3^{x + 2} = 0

16*2^{6m}=2^{3m-8}

16 \cdot 2^{6 m} = 2^{3 m - 8}

2^{5 - 7 x} = 15

4^{x^2+1}=2^{5x+5}

4^{x^{2} + 1} = 2^{5 x + 5}

Frequently Asked Questions (FAQ)

What is the answer to 4^x+4^{x+1}=40 ?
The answer to 4^x+4^{x+1}=40 is x= 3/2
Solve for x: 4^x+4^{x+1}=40
The solution is x= 3/2