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

¿Por qué el sistema endocrino de los vertebrados es más complejo que elde los seres invertebrados?.​
w(n)=n-1; find w-(4)
which light would you predict to produce the greenest plant
Which of the following individuals is correctly reminding herself about her goal? A. Tina placed sticky notes around the kitchen and her room reminding her to
A person who moves about selling small articles ​
Great questions! Now, I'll tell you: First, perform a rotation 90 degrees clockwise. Then. translate the figure 1 unit left and 3 units down. Drag the green po
what is absorption in small intestine ​
Write an essay about exercise and health. Remember to use different phrases to show the reader what is fact and what is opinion. Don't forget to give your essay
-5(k + 6) + 7(k – 4)
Use long division to find the quotient below. (15x2 + 2x2 - 75) - (3x-5)