pre-cal solve for x? Help please!?

HALLIE A

New member
how my teacher showed me isn't working out to the right answers please help.

logx+log(x+3)=5 x=________

log_2(x^2)-log_2(x+4)=4 x=__________

you don't have to answer all of them just at least one of them please. or tell me how to do it. thank you!
 
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