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

Describe a place you visited during the summer break?
A rubber gasket has a circumference of 3.2 cm. when placed in service, it expands by a scale factor of 2. what is the circumference of the gasket when in servic
The sample you have selected for your testing is not representative of the population as a whole. this is known as__________
Next year baldwin plans to include an additional performance bonus of 0. 5% in its compensation plan. This incentive will be provided in addition to the annual
The total volume of a tree increases 6% each year. what will its volume be after 7 years if its volume is 5 cubic meters now?
How many 5-digit numbers can be formed from using numbers 0-9?
At what temperature will he atoms have the same crms value as N2 molecules at 25°c?
When a metal is illuminated by light, photoelectrons are observed provided the light's wavelength is less than 669 nm. What is the metal's work function (also c
find derivative of y= sin x sin 3x​
A vector of magnitude 20 is added to a vector of magnitude 25. the magnitude of this sum can be?