douglaia
douglaia douglaia
  • 03-06-2018
  • Mathematics
contestada

PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!!!!!!solve for x write both solutions. 2x^2+9x+9=0

Respuesta :

gmany
gmany gmany
  • 03-06-2018
[tex]2x^2+9x+9=0\\\\2x^2+6x+3x+9=0\\\\2x(x+3)+3(x+3)=0\\\\(x+3)(2x+3)=0\iff x+3=0\ \vee\ 2x+3=0\\\\x+3=0\ \ \ |-3\\x=-3\\\\2x+3=0\ \ \ |-3\\2x=-3\ \ \ |:2\\x=-1.5[/tex]


[tex]Answer:\ \boxed{x=-3\ \vee\ x=-1.5}[/tex]
Answer Link

Otras preguntas

Kl(aq) + Pb(NO),(aq) Pbl (s) KNO,(aq) Redox or nonredox?
Chlorophyll absorbs __________ and ____________ but reflects ___________ light.
Fishermen love me Doctors hate me But kids want to eat me I am a 13 letter word what am I​
HELPPPP If you observe a blue light emitted during the flame test, what would the wavelength of the light be?
िवधालयबाट प्ापतVidyalaya Baton prapt karna Swasthya sambandhi ​
4. Ademas de los espanoles, quienes mas imigraron a la Florida? you can answer in english if it’s easier for you thanks!!
What is V343 in simplest form?
Byron earns $11.00 per hour. How many hours will Byron have to work to earn $143.00? 7.7 hours 13.0 hours 14.3 hours 15.7 hours
x^3(x-3)-(x-3)=(x-3)(?) help
Help me please I appreciate it