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
kap26 [50]
3 years ago
15

Choose the correct simplification of (2x3 + x2 − 4x) − (9x3 − 3x2).

Mathematics
2 answers:
Mrrafil [7]3 years ago
7 0
You start off by multiplying the second bracket by -1 to get rid of the bracket.
So,
(2x3 + x2 - 4x) - 9x3 + 3x2 =
2x3 +x2 - 4x - 9x3 + 3x2 =
(2x3 - 9x3) + (x2 + 3x2) - 4x =
-7x3 + 4x2 - 4x
Marina86 [1]3 years ago
5 0

is it A polynomial                                            i need to know for the testz

                                                           

You might be interested in
The absolute value of -2/3
Kruka [31]
2/3 is your answer to the question
4 0
2 years ago
Read 2 more answers
An equivalent expression to 5/3 - x + 1/3?
zvonat [6]

Answer:

jjj

Step-by-step explanation:jjjj

6 0
2 years ago
Tower A is 90 feet tall. Tower B is 180 feet tall. Tower C is 5 times as tall as both Towers A and B combined. How tall is Tower
noname [10]

Answer:

1350

Step-by-step explanation:

I added tower A and B together (90+180) Which gives me 270. Then I did;

270 * 5= 1350 ft. Hope its correct!

6 0
3 years ago
44 is what percent of 52?<br> please help
Andrews [41]

Answer:

44% of 52

44/100 ×52

22.88

4 0
2 years ago
PLEASE IT'S DUE SOON! I'll GIVE YOU THE BRAINLYEST Factor The Polynomial 25x^2(x+2)-9(x+2)?
Maksim231197 [3]

Answer:

(x + 2) (5x + 3)(5x - 3)

Step-by-step explanation:

25x^2(x+2)-9(x+2) \\  \\  = (x + 2)(25 {x}^{2}  - 9) \\  \\  = (x + 2) \{  ({5x})^{2}  -  {(3)}^{2}  \} \\  \\  = (x + 2) \{(5x + 3)(5x - 3) \}\\  \\  =  \purple{ \bold{(x + 2) (5x + 3)(5x - 3) }} \\ are \: the \: required \: factors

7 0
2 years ago
Other questions:
  • A soccer player kicks the ball down the field to a teammate. The height of the soccer ball above the ground, h, in relation to t
    13·2 answers
  • Answer to 0.08x+(x-200)
    10·1 answer
  • Tutorial Exercise A boat leaves a dock at 2:00 PM and travels due south at a speed of 20 km/h. Another boat has been heading due
    10·1 answer
  • Solve the equation for the indicated variable.
    10·2 answers
  • The temperature in a greenhouse should be 68 degrees or higher. One​ morning, the heater stopped working. The temperature droppe
    10·1 answer
  • Find the value of x .
    8·2 answers
  • Please help. Part 2: What is the correct standard form of the equation of the parabola?
    10·1 answer
  • True or false there is no line of symmetry in an isosceles trapezium. <br><br>​
    6·2 answers
  • An equilateral triangle has a perimeter of
    13·1 answer
  • The length of AB (the minor arc) is 20 cm. What is the circumference of OC?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!