karlaantuche08 karlaantuche08
  • 03-10-2019
  • Mathematics
contestada

Use the quadratic formula to find both solutions to the quadratic equation
given below.
2x2 + x -1 = 0

Respuesta :

devishri1977
devishri1977 devishri1977
  • 03-10-2019

Answer:

Step-by-step explanation:

2x² + x -1 = 0

x² + x² + x -1 = 0

(x²  - 1) + x²  + x  =0

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

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

(x + 1)(2x - 1) = 0

Answer Link
myvixwkaua
myvixwkaua myvixwkaua
  • 06-02-2021

Answer: x=1/2 & x=-1

Step-by-step explanation:

Answer Link

Otras preguntas

0.16 =? what's the answer
Sorry about the last question i forgot to put the picture but i need help cause i don't get it
I will mark brainlist please help 1) what is the subject of a sentence? • the verb • tells who or what the sentence is about • the action in the sentence 2)
Using the information learned from the pendulum demonstration, when the pendulum is at it's highest point, what type of energy does it have and WHY?
X = 3.8x10 to the power of 5
3/5 divide by 2/3 help it's for my homework ​
13 less than the product of nine and the difference of a number and three is four times the number. What is the number?
what is sodium a nutrient that we need to get less of?
in animal farm Based on the animal's statements, what theme or message do you think Orwell is trying to convey to his readers?
Question #4 Multiple Choice Why might many general contractors begin their careers as construction workers? When construction workers are promoted after a certa