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

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

06-02-2021

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

Step-by-step explanation:

Answer Link

Otras preguntas

The 1862 battle at Antietam put an end to A. the military career of Stonewall Jackson. B. the Confederate threat to the Union capital. C. the Civil War’s early

Ms Hernandez has 17 tomato plants that she wants to plant in rows. She will put 2 plants some rows and 1 plant in the others. How many different ways can she pl

Which words in the sentence make up the adjective phrase? Which word does the adjective phrase modify? About 30 years ago, Sally Ride became the first woman in

After World War II, the French colony of Indochina exploded into warfare as Ho Chi Minh and his followers battled for independence from France. Which of the fol

compare and contrast volume and surface area

Can anyone help me ????? Please

What were the two primary drawbacks to the American Industrial Revolution?

A TT genotype is said to be _____. homozygous heterozygous dihybrid

Help on logarithmic equation

a book club has 200 members each member was asked whether he or she prefers fiction or nonfiction books the results are shown below