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
Effectus [21]
3 years ago
12

The cube of the difference of 4 times x and 9

Mathematics
1 answer:
grigory [225]3 years ago
8 0

Answer:

<h2>64x³ - 432x² + 972x - 729</h2>

Step-by-step explanation:

Write the statement into an expression

<h2>(4x - 9)³</h2><h2 /><h3>Now multiply that out...</h3><h3 /><h3>(4x - 9)²(4x - 9)</h3><h3 /><h3> Foil the first binomial</h3><h3 /><h3>  (16x² - 72x + 81)(4x - 9)</h3><h3 /><h3>Multiply the two polynomials together</h3><h3 /><h3>     16x²(4x) - 72x(4x) + 81(4x) + 16x²(-9) - 72x(-9) + 81(-9)</h3><h3 /><h3> 64x³ - 288x² + 324x - 144x² + 648x - 729</h3><h3 /><h3>combine like terms...</h3><h3 /><h3>64x³ - 432x² + 972x - 729</h3>
You might be interested in
Find the median of each set of data. 12, 8, 6, 4, 10, 1 7 6, 3, 5, 11, 2, 9, 5, 0 5 30, 16, 49, 25
professor190 [17]

Answer:

first 7 then 5 and 27.5

Step-by-step explanation:

4 0
2 years ago
Equation that has solutions x = -2 and x = 8
VLD [36.1K]
If you were to solve this equation you would get answers of x=-2 and x=-8

3 0
3 years ago
Given: , ∠DAC ≅ ∠BCA Prove: ∆ADC ≅ ∆CBA Look at the proof. Name the postulate you would use to prove the two triangles are congr
Zolol [24]

Answer:

  SAS Postulate

Step-by-step explanation:

The contributors to the proof are listed in the left column. They consist of a congruent Side, a congruent Angle, and a congruent Side. The SAS Postulate is an appropriate choice.

6 0
3 years ago
Grace started her own landscaping business. She charges $6 an hour for mowing lawns and $11 per hour for pulling weeds. In Septe
valkas [14]

Answer:

$477

Step-by-step explanation:

63 hours x $6 = $378

9 hours x $11 = $99

378+99= $477

3 0
3 years ago
It costs $12.50 to see a movie at a theater near Jason’s house. It costs only $1.95 to rent a DVD from an online service. A DVD
dolphi86 [110]
The answer would be $11.8 then just round that up to the nearest whole number which would be $12. Hope this helped if I’m incorrect I apologize:/but I’m pretty sure that’s right!

5 0
3 years ago
Other questions:
  • An arithmetic sequence is shown below. You are not given many terms of this sequence, but you do have enough to fill in the miss
    13·1 answer
  • If 4f(x)+f(5-x)=x2<br><br> What is f(x)?
    8·1 answer
  • How do i identify the pairs of congruent angles in figures?
    7·1 answer
  • in an aquarium 2/5 of the fish are surgeonfish. of these three fourths are yellow tangs what fraction of all fish in the aquariu
    9·1 answer
  • Is this statement always sometimes or never true. If x and y are supplementary angels then x is obtuse
    7·2 answers
  • Math problem. Help, thanks
    11·2 answers
  • What is the largest rectangular area one can enclose with 14 inches of string?
    15·1 answer
  • How do I find what 7x-3y=29 7x-6y=23 is?
    10·1 answer
  • When you have two shapes to compare on a coordinate plane, you can determine the scale factor, knowing that the transformation w
    6·1 answer
  • Find the are of the composite figure.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!