cedillobos71 cedillobos71

20-04-2020
Mathematics

contestada

Which of the following shows the true solution to the logarithmic equation solved below?
log2(X)+log2(x+7)= 3
log2[*(X+7)] = 3
x(x+7)=23
x2 +7x-8 = 0
(x+3)(x-1)=0
X=-8,1

Respuesta :

ballllll ballllll

20-04-2020

A. x(x+7)=23 us the correct answer i believe

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ar0290730 ar0290730

22-04-2020

Answer:

The answer is x=1 so the second on on edge

Step-by-step explanation:

I took the test

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