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x=7.5?
(x+3)(x+9)=3^3
x^2+12x=27=27 x^2+12x=0 x=0,x=-12
how did u get x=7.5?
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3^3=27 then - 12 =15 then /2....for x
first use the rule of log to form the eq
log A+logB=logAB
you added instead of multiplying log x + log y = log (xy)
the exponential form log(a) A=X A=a^X
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man im confused i dont like these you guys are great tho...ill try another
u wont learn unless u try
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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