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
Nesterboy [21]
3 years ago
8

Simplify. (x2 - y2 - 3xy) + (7xy + 3x2)

Mathematics
2 answers:
Dvinal [7]3 years ago
7 0

Answer:

(x² - y² - 3xy) + (7xy + 3x²) = 4x² - y² + 4xy

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(x² - y² - 3xy) + (7xy + 3x²)

<u>Step 2: Simplify</u>

  1. [Order of Operations] Combine like terms (x²):                                              (x² - y² - 3xy) + (7xy + 3x²) = 4x² - y² - 3xy + 7xy
  2. [Order of Operations] Combine like terms (xy):                                             (x² - y² - 3xy) + (7xy + 3x²) = 4x² - y² + 4xy
TEA [102]3 years ago
6 0

Answer:

4x^2-y^2+4xy

Step-by-step explanation:

Just combine like terms and do not forget that your adding the set of parentheses together.

x^2+3x^2

-y^2

-3xy+7xy

You might be interested in
please answer this!!!!!Paul and his friends average their test grades and find that the average is 95. The teacher announces tha
den301095 [7]
The averages are very different because there was a wide range of test scores among students
6 0
3 years ago
Read 2 more answers
Simplify the following expression 4w x 3w x 2y x 2y
Anestetic [448]

Answer:

48w^2y^2

I used a simplify calculator I hope this is correct.

4 0
3 years ago
Read 2 more answers
The two angles shown are complementary angles.What is the value of x?
astraxan [27]

Answer:

complementary angles are angles that sum up to 90 degrees. that is all I can say because I can't see any diagram

4 0
3 years ago
Read 2 more answers
The first quartile of the data set below is
Ray Of Light [21]

Answer:

28

Step-by-step explanation:

When you put the numbers in order and then cut into 4 equal parts 28 is the first cut

sorry idk if that made sense or not

3 0
3 years ago
Can someone help me with this graph please
Veronika [31]
These are the answers to your questions

a.In short supply
b.5
c.5
8 0
2 years ago
Other questions:
  • Light travels 3 x 10^5 kilometers in one second. How far does it travel in 6.7 seconds? Write your answer in scientific notation
    9·1 answer
  • Henry has a fair number pyramid with four faces and a spinner with three equal sized colored sections. what is the probability t
    12·2 answers
  • Simplify 5 + 2{ x - 4[3 x + 7(2 - x )]}.
    12·1 answer
  • Factor by grouping. a^2+2ab-24b^2
    8·1 answer
  • Which number is irrational? A.0.14, .14 is repeating B. 1/3 C.the square root of 4 D. The square root of 6
    6·2 answers
  • 9/4 as a mixed fraction
    11·1 answer
  • If someone spent 9/15 hour shopping and 4/5 cleaning, how much more time in hours was spent cleaning?
    6·1 answer
  • The table on top shows how many minutes Albert spends on homework each night. What percent of the total time spent on homework t
    14·1 answer
  • Suppose that Y takes on the values {0, 1, 2, 3}, each with probability 1/4. Take a random sample of 5 numbers from this distribu
    13·1 answer
  • It would mean the world to me if some one can answer both questions 1 and 2 please help
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!