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Justice Curtis
Mathematics
27 May, 04:22
In (x-4) + ln (x+3) = ln18
+3
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1
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Charlie Andrews
27 May, 04:45
0
The value of x is 6, - 5
Step-by-step explanation:
Given as;
log (x - 4) + log (x + 3) = log 18
From log property
I. e log m + log n = log (m * n)
So, log (x - 4) + log (x + 3) = log 18
or, log { (x - 4) * (x + 3) } = log 18
Or, (x - 4) * (x + 3) = 18
Or, x² + 3 x - 4 x - 12 = 18
Or, x² - x - 12 - 18 = 0
or, x² - x - 30 = 0
Or, x² - 6 x + 5 x - 30 = 0
or, x (x - 6) + 5 (x - 6) = 0
or, (x - 6) (x + 5) = 0
So, the value of x is 6, - 5
Hence the value of x is 6, - 5 Answer
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