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
viva [34]
3 years ago
13

Please answer quicklyexpand and simplify: 4(5x-3y) (x-4y) -(3x-4y)(2x+3y)​

Mathematics
1 answer:
Gekata [30.6K]3 years ago
5 0

Answer: 14x^2-93xy+60y^2 Hope that helps!

Step-by-step explanation:

1. Expand by distributing terms

(20x-12y)(x-4y)-(3x-4y)(2x+3y)

2. Use the Foil method:(a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(3x-4y)(2x+3y)

3. Use the Foil method : (a+b)(c+d)= ac+ad+bc+bd

20x^2-80xy-12yx+48y^2-(6x^2+9xy-8yx-12y^2)

4. Remove parentheses 20x^2-80xy-12yx+48y^2-6x^2-9xy+ 8yx+12y^2

5. Collect like terms (20x^2-6x^2)+(-80xy-12xy-9xy+8xy)+(48y^2+12y^2)

6. Simplify.

And your answer would be 14x^2-93xy+60y^2

You might be interested in
On Saturday, Wendy babysat for
Degger [83]

Answer:

9(4/3)

Step-by-step explanation:

you add up the hours of each of the girls so, 3(1/2)+4(1/3)+2

4 0
3 years ago
PLEASE SHOW YOUR WORK.
schepotkina [342]

Answer:

a) Shawn's error was that he Multiplied 15 by 2x only. He didn't Multiply 15 by 7

b) The difference, in square feet, between the actual area of Shawn’s garden and the area found using his expression is given as

98 square feet

Step-by-step explanation:

The area in, square feet, of Shawn’s garden is found be calculating 15(2x + 7). Shawn incorrectly says the area can also be found using the expression 30x + 7.

The correct area =

15(2x + 7).

= 30x + 105 square feet

The error in Shawn’s expression is

= 15(2x + 7)

= 30x + 7 square feet

Shawn's error was that he Multiplied 15 by 2x only. He didn't Multiply 15 by 7

The difference, in square feet, between the actual area of Shawn’s garden and the area found using his expression is given as

30x + 105 square feet - 30x + 7 square feet

= 30x + 105 - (30x + 7)

= 30x - 30x + 105 - 7

= 98 square feet

7 0
2 years ago
Please help guys ♡♡♡♡♡♡​
IrinaK [193]

Answer:

67 degrees

Step-by-step explanation:

in parallelograms, the diagonally opposite corner is most always the same degree.

5 0
3 years ago
Read 2 more answers
Which equations matches the graph
iren2701 [21]
The answer for the question is C
7 0
3 years ago
37. The sum of first three terms in an arithmetic progression is 24 and the sum of their squares is 224. Find the first three te
Airida [17]

Answer:

12, 8, and 4

Step-by-step explanation:

  • Given

a + d + a + a - d = 24

3a = 24   ⇒  [ a = 8 ]  

and (a + d)² + a² + (a - d)² = 224

3a² + 2d² = 224

2d² = 224 - 192 = 32

d² = 16

[ d = ±4 ]

∴ The first three terms to A.P are

a + d = 8 + 4 = 12

a  -  = 8

a - d = 8 - 4 = 4

∴ Three terms are 12 , 8, and 4

8 0
2 years ago
Other questions:
  • Please answer it in two minutes
    8·1 answer
  • $500,3.75%,4 months?! Plz explain!!
    13·1 answer
  • A cyclist travels north along a road at a constant speed of 28 miles per hour. At 1:00 P.M., a runner is 68 miles away, running
    5·1 answer
  • Please explain your answer and I'll mark the Brainliest!
    6·1 answer
  • -10=-14v+14v what is V
    9·1 answer
  • Let event A= the place is a city let event B= the place in north America which outcomes are in A or B?
    11·2 answers
  • Let A = {10, 20, 30, 40, 50, 60} and B = {10, 40, 603. What is AnB
    9·2 answers
  • Alicia drove at a constant speed and traveled 183 miles in 3 hours. What is her rate in miles per hour?
    15·1 answer
  • The first equation of a system of equations is y = -3x + 2. The graph of the system has no solution. Write a possible second equ
    7·1 answer
  • Ill give brainest i need help please
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!