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

what was Babylonian culture based on?
definition for inhibitors
how does the biosphere interact with the hydrosphere
Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such as making paper. What is the mass of 2.40 ×1022 molecules of Na
In what year was carrie underwood the first country artist to win american idol?
Which type of drug can distort a person's thoughts, senses and mood? A. stimulants B. narcotics C. depressants D. hallucinogens
Sulfur is an element that can be seen on the periodic table. What will most likely occur if sulfur forms an ionic bond with another element? Sulfur will accep
What is a good way to improve credit score?
In the heat equation, what does c represent
The transition from an octave to a sestet is referred to as the?