Mathematics: 2^(2x)+2^(x+2)−12=0 | solve for x answer

2^(2x)+2^(x+2)−12=0 | solve for x answer - id22221202584638, canyonrico05

Ответ:

Jehovel

03.01.2022

2^(2x) = (2^x)^2 ;
2^(x+2) = (2^x) × 4 ;
Let be 2^x = y > 0 ;
y^2 + 4y - 12 = 0 ;
a = 1 ;
b = 4 ;
c = - 12 ;
b^2 - 4ac = 16 + 48 = 64 ;
y1 = ( - 4 + 8 ) / 2 = 2 > 0 ( correct ) ;
y2 = ( - 4 - 8 ) / 2 = - 6 > 0 ( false ) ;
Then, 2^x = 2 ;
x = 1.

0,0(0 оценок)

Ответ:

brifrog13

05.07.2022

Mathematics

1,314 is the answer to your question ,ItzManatuBruhh.

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

2^(2x)+2^(x+2)−12=0
|
solve for x
answer

Ответ:

Ответ:

Ask your question to the AI advisor

More tips

Answers on questions: Mathematics

Ask an AI advisor a question