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solve the equation.

0 votes
solve the equation.

3^x^2 - 7 = 27^2x
asked Jan 22, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The expression is .

Rewrite the expression.

Using law of exponents : .

From properties of exponential bases are equal then powers must be equal.

image

image

image

Simplify the expression.

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image

image

image and image

image and image

Solution :

image and image.

answered Jan 22, 2015 by joseph Apprentice

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