lauraana
lauraana
16-02-2016
Mathematics
contestada
r . . V w l U i. a v w. v . Una It 3 A 1-
Respuesta :
Leader
Leader
16-02-2016
[tex]7x^2 + 21 = 0\\\\7x^2 = -21\\\\x^2 = -\frac{21}{7}\\\\x^2 = -3\\\\x = \sqrt{-3}\\\\\boxed{\bf{x = i\sqrt{3}}}\\\\\boxed{\bf{x=-i\sqrt{3}}}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
The output is one more than twice the input.
How can a global dependence on fossil fuels have associated social costs? This is a discussion question, so if you could give me a few keywords or phrases, tha
Which of the following words is an example of colloquialism? y'all dog idk NAFTA
why cant anyone go on saturn
Third Federal Bank is in a national search for a new Director of Human Resources. The recruiting budget is $30,000. So far, the bank has spent $8,600 on adverti
Every year the post office is overwhelmed by letters written to Santa Claus that flow into different branches throughout the month of December. Based on your k
Which most likely happened if the Earth’s average global temperature changed to 16°C? More energy was reflected back to space. Less energy was absorbed by Earth
What point did lincoln make clear in his inaugural address in 1860? a. he was going to abolish slavery b. the southern states had the right to secede if they di
What do the words inking their cress mean in the poem A Winter Twilight?
Claire bought three bars of soap and five sponges for $2.31. Steve bought five bars of soap and three sponges for $3.05. Find the cost of each item.
