1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sav [38]
3 years ago
8

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

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0

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

You might be interested in
A triangle has side lengths of (6a - 36) centimeters, (5a + 5c) centimeters, and (8c - b) centimeters. Which expression represen
likoan [24]

Answer:

11a + 13c -b - 36

Step-by-step explanation:

We add all the sides together because we're looking for perimeter.

6 0
2 years ago
(5x - 3) - (-4x + 1)
AveGali [126]

Answer:

9x-4

Step-by-step explanation:

add 5x and 4x

9x-3-1

subtract 1 from -3

9x-4

4 0
3 years ago
Identify like terms.<br> (a) 3x, 4y, -2x<br> help
kkurt [141]
3x and -2x are like terms because they both have the variable X
6 0
3 years ago
A department store is having a sale of 20% off of all kitchen appliances what is the sale price for a $250 microwave?
ikadub [295]

Answer:

300 dollars

Step-by-step explanation:

250 x 0.2= 50

250 + 50=300

7 0
3 years ago
Read 2 more answers
Three of the angles of a polygon are
Liono4ka [1.6K]

Answer:

three angles of a polygon are each 105.5,the sum of the angles in the polygon is 2520. find each of the other angles if they are equal to each other. For a polygon with n sides and n angles, the sum of the measures of all the interior angles equals (n-2)180 degrees. 16-3=13

4 0
3 years ago
Other questions:
  • Need help with adding subtracting decimals.. . In this unit, you learned about fractions that can be written as terminating deci
    7·1 answer
  • (x + 9) (x + 1)<br><br> Use the FOIL method, then Explain
    15·1 answer
  • Nellie has a watering can that contains 20 cups of water.She pours one quart of water on each plant in her yard.If Nellie uses a
    10·1 answer
  • What is the value of y ?
    11·1 answer
  • Simplify 4^2 x 4^8 ..................
    7·2 answers
  • Amy has $800 saved but withdraws $80 per week for gas and groceries​
    13·1 answer
  • The center of a circle lies on the line y = 3x + 1 and is tangent to the x-axis at (−2,0) .
    5·1 answer
  • HELP ASAP PLZ PLZ HELP ME PLZ HELP MEEEE
    5·2 answers
  • Find the sum<br> (7x^6 + 2x^5 – 3x^2 + 9x) + (5x*5 + 8x^3 – 6x² + 2x - 5) =
    15·1 answer
  • There are 1,500 pupils in school , 0.6 are boys how many pupils are girls
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!