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Popular >

3^x-3^{x+3}=-78

Solution

3^{x} - 3^{x + 3} = - 78

Solution

x = 1

Solution steps

3^{x} - 3^{x + 3} = - 78

Factor

3^{x} - 3^{x + 3} : - 26 \cdot 3^{x}

- 26 \cdot 3^{x} = - 78

Divide both sides by

- 26

3^{x} = 3

Apply exponent rules

x = 1

Popular Examples

0.4=(1/(1.06))^n

0.4 = (\frac{1}{1.06})^{n}

6^{x} = 3

e^{x - 3} = 3

2 \cdot 3^{x} = 10

3^{2 x} = 15

Frequently Asked Questions (FAQ)

What is the answer to 3^x-3^{x+3}=-78 ?
The answer to 3^x-3^{x+3}=-78 is x=1
Solve for x: 3^x-3^{x+3}=-78
The solution is x=1