Question

How do you do this?
Is writing this as a single logarithm different since its subtraction?

Answer 1

4logx-6log(x+2)

Answer 2

first use the power rule

Answer 3

whats that?

Answer 4

alogx = log(x^a)
use this on both terms

Answer 5

ok?

Answer 6

how would you do the 6log(x+2) like that ?

Answer 7

its simply log ((x+2)^6)

Answer 8

understand?

Answer 9

okay

Answer 10

now simplify the two terms using the rule for subtraction

Answer 11

I don't know what that is, i just started logarithms yesterday

Answer 12

see
log x - log y = log (x/y)
log x + log y= log(xy)

can you use these?

Answer 13

?

Answer 14

would it be \[\log(\frac{ x^{4} }{ (x+2)^{6} }) \]

Answer 15

bingo

Answer 16

okay thanks (:

Answer 17

yw