lidu24 lidu24
  • 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

476 miles in 8 hours as a unit rate
How are atoms and elements related? Please explain with full and clear sentences. Thank you! :)
Which of the following is equivalent to (2a^2-6ab+4b^2)-(-a^2+2ab-2b^2)
1). Universal set = {-6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6}. Set A consists of all the even integers. Find the complement of set A. 2) List all the subset
Find x, and then any unknown angles in the quadrilateral
Read the passage from "Arachne and Athena" Part 2 What is getting in Arachne's way in the passage?A great howl filled the house. "How dare you?" Athena screamed
11)A car can travel 300 miles on 20 gallons of gas. Write an equation to represent the distance,y, in miles James car can travel on x gallons of gas? How many m
Plz help! Due tonight! What is the federal bureaucracy? Explain.
[BRAINLIEST] a. Nick deposits money in a Certificate of Deposit account (CD). The balance (in dollars) in his account t years after making the deposit is given
Please help with this thanks