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 ( 25+ )
Otras preguntas
help me answer this plz I really need help
how do I solve for 4x -8x equals -3
Does Bud Uses His Rules To Thrive Or Survive? Explain with rules and explain why
Hailey needs to identify internal costs so she can price her product accordingly. Which cost will be part of Hailey’s calculation? A. cost of endangering speci
PLEASE HELP! THANK YOU! Explain your answer!!!
please guys I will gave a 50 points if I see a response pleasssssd
How would a larger population increase Georgia’s strength in the national government?
ABc bookstore sells magazines according to the demand function p= -Q + 42, where p is the price
Given: △ABC, BC>AC, D∈ AC , CD=CB Prove: m∠ABD is acute
What should you always do before choosing a final business name? A ) Check its frequency on a Web browser. B ) See if the domain name is available. C ) Run the