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by **isabelrachel** on Tue Jul 07, 2009 2:41 pm

I need to simplfy an expression similar to this one. But iam confused on this. Anyone that is willing to help me with this problem is greatly appreciated.

V/r
Isabel

c. log(2)Y + log(2)Z

**Sponsor**

by **stapel_eliz** on Tue Jul 07, 2009 7:01 pm

To learn how log rules work, try here. The lesson has explanations and worked examples, but the short version is:

. . . . . $\log_b(x)\, +\, \log_b(y)\, =\, \log_b(xy)$

. . . . . $\log_b(x)\, -\, \log_b(y)\, =\, \log_b\left(\frac{x}{y}\right)$

. . . . . $\log_b(x^m)\, =\, m\,\log_b(x)$

:popcorn:

The Purplemath Forums

Simplify expressions: simplify log(2)Y + log(2)Z

Simplify expressions: simplify log(2)Y + log(2)Z