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 :

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

now a days water management is very essential write your opinion on this

What changes have occurred in Paul in the book a Lesson Before Dying

What is 0.048 written as a fraction?

for what value of k, the expression x²+kxy²+9y² becomes a perfect square

Please help verify the identity of cos (x+ -5pi/4) = -sqrt2/2 (cos x + sin x)

Summarize this paragraph: The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body.

Identify the monomials and binomials X +3,15 a + b +9, 3q - 7q,axb

Pls answer 20 pt reward!!!!

check your answer for x= -2/3 5(3x+4)-8(6x+7)=9x-8

Fatimah spent 1/4 of her money on 8 cookies and 2 muffins. A muffin cost three times as much as a cookie. She bought some more cookies with 2/7 of her remaining