DrWhoTardis
DrWhoTardis
02-06-2015
Mathematics
contestada
solve for x: 2xsquared+4x-16=0
Respuesta :
Panoyin
Panoyin
02-06-2015
2x² + 4x - 16 = 0
2(x²) + 2(2x) - 2(8) = 0
2(x² + 2x - 8)
=
0
2 2
x² + 2x - 8 = 0
x =
-(2) ± √((2)² - 4(1)(-8))
2(1)
x =
-2 ± √(4 + 32)
2
x =
-2 ± √(36)
2
x =
-2 ± 6
2
x = -1 ± 3
x = -1 + 3 U x = -1 - 3
x = 2 x = -4
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
what is the meaning or definition of fighting-gear??
what is the meaning or definition of fighting-gear??
conversation between Hitler and gandhi
How consumers behaviour affect market equilibrium
(X+12) 2 ÷ x2-144 ×-12. 12×-144
A history quiz consists of five true-false questions. If you guess on each question, then the probability of answering all five questions correctly is approxima
what is the meaning or definition of fighting-gear??
The diameter of your bicycle wheel is 25 inches. How far will you move in one turn of your wheel?
The plans for a shed call for a rectangular floor with a perimeter of 204 ft. The length is two times the width. Find the length and width.
other name for blood