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
schepotkina [342]
3 years ago
15

Find the sum of x^2 + 3x and 2x^2 + 9x + 5

Mathematics
1 answer:
Kazeer [188]3 years ago
8 0

Answer:

3 {x}^{2}  + 12x + 5

Step-by-step explanation:

(x^2 + 3x)  +  (2x^2 + 9x + 5) \\  \\  = x^2 + 3x  +  2x^2 + 9x + 5 \\  \\  =  {x}^{2}  + 2 {x}^{2}  + 3x + 9x + 5 \\  \\  = 3 {x}^{2}  + 12x + 5

You might be interested in
Rahul earns 21,000 in 7 months.
tekilochka [14]

Answer:

a _ 12×21000/7 = 36000

b _ 33 × 7 / 21000= 11 months

8 0
2 years ago
Find the different of 52.135 and 31.47
allsm [11]
The difference is 20.665
5 0
3 years ago
Read 2 more answers
Distributive property equations are equations when you are ____ one term with another 2 or more terms inside parentheses.
Mariulka [41]
I think the answer is multiplying
5 0
3 years ago
Help please I need to do well
makkiz [27]

Answer:

E

Step-by-step explanation:

x < -5.2

x > 5.2

How do I explain...?

8 0
3 years ago
Read 2 more answers
For this exponential function, what is the output value, when the input value is 2?
qwelly [4]

Answer:

20.

Step-by-step explanation:

You plug two into the exponent with the base two

y=5 times 2^2\\y=5 times 4\\y=20

6 0
4 years ago
Other questions:
  • I need to know ASAP
    10·2 answers
  • (8.9 x 10^9) + (4.2 x 10^6)
    14·2 answers
  • 1/2 pound : 5 days find the unit rate
    11·2 answers
  • im bought 10 used books at the yard sale How much did she pay? Did you use addition or multiplication to solve this problem? Why
    11·1 answer
  • I am stuck today <br><br> Show your work :)
    15·1 answer
  • Write the equation of a line through (-1,-5) parallel to 3x-y=5, and in slope intercept form
    8·1 answer
  • 5x = 6 + 3y ‎‎‎‎‎‎‎‎‎‎‎‎
    7·1 answer
  • Simplify the expression -15m + 9m
    12·1 answer
  • The ratio of red candies to blue candies is 5:4 in the bag. If there are 20 blue candies in the bag, how many red candies are th
    5·2 answers
  • Si se multiplica un numero por uno,¿que numero se obtiene?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!