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Mathematics 23 Online
OpenStudy (anonymous):

5x-3.32x-8 =225

OpenStudy (anonymous):

what does this mean?

OpenStudy (anonymous):

its an logarithm sum

OpenStudy (anonymous):

\[5^{x-3}. 3^{2x-8} = 225\]

OpenStudy (anonymous):

this?

OpenStudy (anonymous):

IS IT THIS?

OpenStudy (anonymous):

x = 5

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

thanks but please tell me the steps

OpenStudy (anonymous):

factorize

OpenStudy (anonymous):

225 = 5^2 x 3^2

OpenStudy (anonymous):

now equate the powers

OpenStudy (anonymous):

x-3 = 2 or 2x - 8 = 2 so x =5

OpenStudy (anonymous):

UNDERSTAND?

OpenStudy (anonymous):

^ what this means

OpenStudy (anonymous):

hi

OpenStudy (anonymous):

thanks got it

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