ciecwt56ty ciecwt56ty
  • 03-03-2021
  • Mathematics
contestada

Subtract. Your answer should be a polynomial in standard form. a (4r ^ 2 - 3r + 2) - (- r ^ 2 - 3r) =

Respuesta :

2565579
2565579 2565579
  • 04-03-2021

Answer:5r2+2

Step-by-step explanation:

Distribute the Negative Sign:

=4r2−3r+2+−1(−r2−3r)

=4r2+−3r+2+−1(−r2)+−1(−3r)

=4r2+−3r+2+r2+3r

Combine Like Terms:

=4r2+−3r+2+r2+3r

=(4r2+r2)+(−3r+3r)+(2)

=5r2+2

Answer Link

Otras preguntas

What is -6/2 simplified
Help I need help with this part
I need someone to draw me a background,quality I do not care.
hey besties!!um so my crush kind of stared at me in theology class what does that mean???/
PLEASE HELP In Triangle WXY, angle X is equal to angle Y, WX is equal to 9x-11, XY is equal 4 points to 4x+1, and WY is equal to 7x-3, find x and the measure o
Calculate the probability P(E). The Heavy Weather Service predicts that for tomorrow there is a 50% chance of tornadoes, a 25% chance of a monsoon, and a 15% ch
Which is a correct statement about common types of test questions? O There is little difference in how these types of questions should be approached. Most can b
How to find standard deviation khan academy.
2. On which day is the moon fully visible? What is that day known as?​
DIRECTIONS:give the formula for each surface area.pls answer thank you!! ​