Mathematics: Hahahaaha ay, God, we laughed a lot on this day, let s cry a little p

Since in x 0, then the answer is x=8 only.Hope it helps!...

Hahahaaha ay, God, we laughed a lot on this day,

Ответ:

maxicanofb0011

27.02.2021

Mathematics

which language is this ???

0,0(0 оценок)

Ответ:

itsjusmika

29.09.2020

Mathematics

$log_{2} x + log_{2} (x-7) = 3$
$log_{2} (x)(x-7) = 3$
$2^{ log_{2} (x)(x-7)} = 2^{3}$
x(x-7) = 8

$x^{2} - 7x -8 = 0$
$\left \{ {{ x_{1} = 8} \atop { x_{2} =-1}} \right.$
Since in $log_{a} x$ x>0, then the answer is x=8 only.
Hope it helps!

0,0(0 оценок)

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.

Ask your question

Hahahaaha ay, God, we laughed a lot on this day, let's cry a little p

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question

Hahahaaha ay, God, we laughed a lot on this day, let's cry a little p​

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question

Hahahaaha ay, God, we laughed a lot on this day, let's cry a little p