jamileth8580 jamileth8580

06-04-2021
Mathematics

contestada

Jane and Jill were simplifying the expression

(2x² + x) + 21-x² + x) and obtained different answers. Who is

correct and why?

Respuesta :

miriammenenguez miriammenenguez

06-04-2021

2x2+x+21−x2+x

=2x2+x+21+−x2+x

=2x2+x+21+−x2+x

=(2x^2+−x^2)+(x+x)+(21)

=x^2+2x+21

Answer Link

Otras preguntas

How long was the average workday during the early years of the industrial revolution

"Windy cliffs" Alliteration Imagery Personification Kenning Simile

What caused aryan religion to change over time?

Which of these is a characteristic of Realism? A.Frightening surroundings and situations B.Complex and flawed characters C.A focus on nature and beauty D.Fa

The length of a rectangle is 120 m. The diagonal measures 130 m. Use this information to find the values of the perimeter and area of the rectangle. Perimeter o

Need help on some of this please Factor: 9x^2 - 6x - 3x + 2 (3x-2)(3x-1) (3x-2)(3x+2) (3x+2)(3x-1)

What defensive measure did the romans use to protect rome in the period of decline after the five good emperors?

"Steaming" and "swirling surf" Alliteration Mood Personification Kenning Simile

A key consideration when forming a team is to understand the personality traits needed before starting the selection process as well as the team members:

Find parametric equations for the line through (3, 1, 4) that is perpendicular to the plane x ? y + 2z = 9. (use the parameter t.)