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Mathematics 21 Online
OpenStudy (anonymous):

check answer question uploded

OpenStudy (anonymous):

OpenStudy (anonymous):

x=7.5?

OpenStudy (anonymous):

(x+3)(x+9)=3^3

OpenStudy (anonymous):

x^2+12x=27=27 x^2+12x=0 x=0,x=-12

OpenStudy (anonymous):

how did u get x=7.5?

OpenStudy (anonymous):

3^3=27 then - 12 =15 then /2....for x

OpenStudy (anonymous):

first use the rule of log to form the eq

OpenStudy (anonymous):

log A+logB=logAB

OpenStudy (dumbcow):

you added instead of multiplying log x + log y = log (xy)

OpenStudy (anonymous):

the exponential form log(a) A=X A=a^X

OpenStudy (anonymous):

man im confused i dont like these you guys are great tho...ill try another

OpenStudy (anonymous):

u wont learn unless u try

OpenStudy (dumbcow):

focus on the process, write down the rules so you don't forget and then follow them step by step , the solution will then come naturally if you follow the correct steps :)

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