Which of the following shows the true solution to the logarithmic equation solved below?
log2...
Mathematics, 14.04.2020 05:13 kemzzoo7206
Which of the following shows the true solution to the logarithmic equation solved below?
log2 (x)+log2(x+ 7) = 3
log2[x(x+7)] = 3
*(X+ 7)- 23
x2 + 7x-8-0
(x+3)(x-1)=0
X=-8,1
0
0
X=-8
X-1
x= 1 and x=-8
X= 1 and X= 8
Answers: 3
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