If 2log(x+4)=log25, then x=
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Answer:
x=1
Step-by-step explanation:
2log(x+4) = log25
log(x+4)² = log25
(x+4)² = 25
(x+4)² - 25 =0
(x+4+5)(x+4-5) =0
x= -9 and 1
But for x=-9 , log(x+4) will not be defined.
Therefore, x=1
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