LukeNuno
LukeNuno
03-12-2014
Mathematics
contestada
Solve for x:
x2 + 8x = -1
Respuesta :
konrad509
konrad509
03-12-2014
[tex]x^2+8x=-1\\ x^2+8x+16-16=-1\\ (x+4)^2=15\\ x+4=\sqrt{15} \vee x+4=-\sqrt{15}\\ x=-4+\sqrt{15} \vee x=-4-\sqrt{15}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
What is the Noble gas notation of silicon (Si) ? [Ne] 2s22p2 [Ar] 3s23p2 [Ne] 3s23p2 [Mg] 3p2
what is one of the three things the opponents of the political machines argued about
Haitian Creole developed through the process of language __________. A. divergence B. emergence C. convergence D. transvergence
Which of the following sentences is written in active voice? a. To her mother, that she would clean her room before going to see the movie was promised by April
what is 6 squared ÷ 2 (3)+4
When an adverb modifies a verb with a helping verb, the adverb should generally be placed a. at the end of the sentence. b. after the helping verb. c. before th
Which is an environmental change that occurs very slowly? a. tsunami b. global warming c. seasonal changes d. oil spill
Is a situation in which the outcome of events in a literary work contradicts what is expected. a. Irony b. Tragedy c. Ethos d. Hamartia
During the Age of Discovery, the purpose of most European explorations was to search for resources and trade routes and to a. claim territory outside of Europe.
The different phases of matter exist at different levels of particle organization. Which if the following lists phase in order from least organized to most orga
