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 ( 11+ )
Otras preguntas
80 points ! Andrew charges $18 for each lawn he mows. Suppose he mows 17 lanes per month. How much money will andrew make per month ?
Explique pourquoi cette phrases n'est pas correcte. Il y a dix milles dollars dans la banque.
What is a primary emotion? A) an emotion that always requires coping strategies B) an emotion that is always hard to recognize C) an emotion that is not express
For each polynomial function, a) find the rational zeros and then the other zeros; that is, solve f(x)=0; and b) factor f(x) into linear factors. 1)f(x)=x^3-4
4x3 - 16x2+13x-3 Classify the polynomial beside one of its factors
what's christians perpetua likes?
Fireworks blasted through the night SKY. A) preposition B) object of the preposition C) compound object of the preposition D) prepositional phrase
In the great gatsby how do jordan and daisy know each other
A 4-card hand is drawn from a standard deck of 52 cards. find the probability that the hand contains the given cards. four of the same suit
Original Price Of A Sled: $99.50
