03-04-2020
Mathematics

contestada

5x2 - 4x – 9 = 0
Master Product:
try

Respuesta :

surjithayer10 surjithayer10

03-04-2020

Answer:

Step-by-step explanation:

5×-9=-45

-9+5=-4

5x²-4x-9=0

5x²-9x+5x-9=0

x(5x-9)+1(5x-9)=0

(5x-9)(x+1)=0

x=-1,9/5

Answer Link

Otras preguntas

Laura will have seven test scores at the end of the semester. Each of the scores is a positive integer less than or equal to $100$. Her first five scores are $8

I need help please!!

Local environmental changes have no effect on the global climate. Please select the best answer from the choices provided от F

Which linear inequality is graphed with y > –x – 2 to create the given solution set? y > x + 1 y x – 1 y < x + 1

what is the basic trigonometric identity you would use to verify that sec x sin x= tan x

2. Which sentence below is an example of a simile? Mark only one oval. 1)I will have set no clock... 2)I do not want to know my name ... 3)We need hours of aim

how does the chocolate industry connect do different industrial sectors

Definition of economic costs Raphael lives in San Diego and runs a business that sells guitars. In an average year, he receives $722,000 from selling guitars. O

Imaging Inc., a developer of radiology equipment, has stock outstanding as follows: 20,000 shares of cumulative preferred 4% stock, $140 par, and 67,000 shares

What should an administrator consider when configuring workflow rules?(2 answers) a. Rules can be evaluated when records are created or edited b. Rules must b