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 has a greater impact on humans earth's ocean of earth's freshwater
How would you describe Gage's mother
You test-cross plants you suspect to be AaBb dihybrids and look at 100 offspring, with the following results: Phenotype AB 22 Ab 28 aB 29 ab 21 100 total1. You
what is the answer to a-4/5 = 12
Which statement would most likely appear in an essay about the land bridge theory of migration? Many who crossed the bridge wrote about the experience. Sea leve
What shapes me more, my experiences, or how I respond to them? With full explanation please
What elements of your identity do you think are part of your core identity? It could be loving son/daughter, good friend, an honest kind human being...etc.
You and two friends pay $40 for tickets. The cost was divided three ways in the ratio 1 : 3 : 6. How much did each person pay
The atmosphere is densest closest to the surface of Earth because
a windshield wiper blade is 17 in Long. Calculate the area come by the blade as it rotates through an angle of 138 degrees.​