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

spot the error : Many Egypt could be contained In India

Santos deposited $1,800 in an account that yields 2.1% interest, compounded semi-annually. How much is in the account after 54 months? Round to the nearest cent

Tả cảnh không khí ngày tết

Please help me with the question i have put

From a circular card sheet of radius 14cm, two circles of radius 3.5 cm and a rectangle of length 3cm and breadth 1cm are removed. Find area of remaining sheet

grade 12 speech topics

all numbers that give 62.8 when truncated to 1 decimal place

hi, how i all doing

Prove that (n+5)2-(n+3)2 is a multiple of 4 for all positive integer values of n

Hi! Can one of y'all just check my answers for me? I am just a bit unsure before I submit them. 100 Points. Thanks! 1. The set of linear equations provided des