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
Irina18 [472]
3 years ago
15

Write each of the following as a polynomial in descending powers of its variable

Mathematics
1 answer:
nikklg [1K]3 years ago
4 0
1. 7x(x + 3)
    7x(x) + 7(3)
    7x² + 21

2. (7x + 1)(x + 3)
    7x² + 21x + x + 3
    7x² + 22x + 3

3. (x² + x)²
    (x² + x)(x² + x)
   x^4 + x³ + x³ + x²
   x^4 + 2x³ + x²
You might be interested in
Someone help asapppp
Oxana [17]

Answer:

1

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which are the roots of x^2-4x+4=20
Marysya12 [62]
X2+-4x+4=20 the final answer is 20!
3 0
3 years ago
Need answer ASAP!<br><br> True of false: (x−6) is a factor of 4x3−18x2+3x−13.<br><br> True of False
Fantom [35]

Answer:

If you mean 4x to the power of 3 - 18x to the power of 2 +3x -13 then the answer is false

8 0
3 years ago
For each value of y, determine whether it is a solution to 7=y÷4.​
rjkz [21]

Answer:

Step-by-step explanation:

7 = y/4

7*4 = y

y = 28

4 0
3 years ago
Read 2 more answers
What is the value of x in the figure below?
zhenek [66]
Again, nice problem. These are not super easy. You need to imagine the triangles in the figure and relate sides.

For instance: ADC, its hypotenuse is 15

For ABC, it is 20,

so 20/15 is the ratio between both triangles. Now let's choose the side with 'x'

x is one side of ADC, the corresponding side in ABC is 15 (the second longest sides). You need to rotate the triangles, etc ... That's the tricky part :)

So:

20/15 =15/x ----> x = 15*15/20 = 225/20 = 45/4

Which is C

Not sure whether it's too late to help you though!!!!

Also notice that it's kind of a product rule:

x * 20 = 15 * 15

I am sure the book explains a short way of getting to this equation, like sides opposite, blah blah, but what i told you is the reason. You asked for understanding it! Best luck!
7 0
3 years ago
Other questions:
  • Answer correctly for brainliest and also get a thanks ! Please don't answer if you don't know it . Choose all answers that are c
    12·2 answers
  • Evaluate the given function.<br> f(x) = -6/7x+7, f( - 14)
    5·1 answer
  • You buy clothing at a sale. You buy sneakers at 2/3 of its original price of $60, a sweater at 7/10 of its original price of $35
    13·1 answer
  • Marion Pelk worked 9 days in two weeks. He worked each day and was paid $7.1 an hour. What gross pay he earn for the two weeks?
    14·1 answer
  • Chad's recipe for chocolate chip cookies makes 24 servings of 375 calories each. Chad decided to make 150% of the amount in the
    5·1 answer
  • 3(2x+6) = 2(4x-5)<br><br> plshelp
    12·2 answers
  • Recall the chapter example which described the fact that the mean IQ in large, diverse populations is 100 and the standard devia
    9·1 answer
  • 100 POINTS!!!!!!! I WILL GIVE BRAINLIEST!
    7·1 answer
  • I need help I have 20 min
    11·2 answers
  • OMGGG PLS HELP ME WITH THIS QUESTION PLS PLS PLS!!! WILL MARK BRAINEST AND PLS PLS PLS DO EXPLAIN!!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!