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

How many atoms are there in 23g of Na
Participles are the only verbals that can be used to subordinate sentences. True False
After you have put a marketing plan in place, it is important to do what? A. Monitor the results B. Increase the price C. Reduce your advertising D. Segment the
State one reason why sodium 24 isotope is rarely
Find the sum of 2 1/9 + (-2/9) + 3 5/9 a. -5 b. 5 c. 5 2/9 d. 5 4/9 e. 5 5/9
Who were the allies and central powers
Dakota was born after 40 weeks of gestation and weighed 4 pounds. dakota would be considered:
Females who have one abnormal copy of a mutated gene on the x chromosome are known as _____.
Under deng xiaoping, how did china make progress
Which best describes the shape of this distribution?