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 did factory owners do to prevent unions from Forming? A. They paid off union leaders so they would stay away. B. They had union leaders arrested for no cau
Mark has been watching 16 movies for the past x months. Max has been trying to keep up with his pace but has only been able to watch half as many as Mark has. B
find all the x intercepts and y intercepts for the equation f(x) = 2x^2 - 16
Determine the intervals on which the function is increasing, decreasing, and constant. A parabola is shown facing down with a vertex of 0,1.
What is 3.31 rounded to the nearest tenth
its due tomorrow need help!!
A square and rectangle have the same perimeters.The lengtj of a side of the square is 4x-1.The length of the rectangle is 2x+1 and the width is x+2 write and so
How did newton use creativity and logic in his approach to investigating light
anybody wanna help me answer these questions ?
how long will it take a car to go from a complete stop to 44 km/hr if they are accelerating at 5 km/hr