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 ( 15+ )
Otras preguntas
What kind of writing was used in inscribe the code of stele
7 times blank equals 56
“What the Pledge of Allegiance Means To Me” Ever since I was little, I said the Pledge of Allegiance every day in school. These words can have different m
Which of the following is NOT, generally speaking, under the authority of tribal governments? Select the best answer choice. a)The ability to enter into agreeme
Abiotic factors found and needed in biome,and how they are used by biotic factors
Which of the following statements best explains why many northern states did not use slaves? Select one: a. Northern states were more industrialized than southe
which of the following conditions might occur if a female athlete attempts extreme weight loss A . bone fractures and torn lilegments B. Stomachaches and ser
2.36 grams______hectograms
The force trying to overthrow the republic in the Spanish Civil War were led by A. Leon Blum B. Juan Carlos C. Francisco Franco D. Eduard Benes
how did the surrender at goliad affect americans?
