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
Lorico [155]
3 years ago
6

Simplify the following expression by combining like terms. 3x + 4x² - 7x+ 9x2

Mathematics
1 answer:
EleoNora [17]3 years ago
7 0

Answer:

13x² - 4x

Step-by-step explanation:

3x + 4x² - 7x + 9x² ← collect like terms

= (4x² + 9x² ) + (3x - 7x)

= 13x² + (- 4x)

= 13x² - 4x

You might be interested in
Complete the statement with &lt;, &gt;, or=.<br><br> PLEASEE HELP
Allushta [10]

Answer:

< LK

Step-by-step explanation:

The higher the angle, the bigger the opposite side, so since 123 is bigger than 114, LK is bigger than MN

6 0
3 years ago
Maya shaved her head and then began letting her hair grow. She represents the length l of her hair, in
Drupady [299]
B

For example if it has been 2 months (l=1.25 times 2) the length would be 1.5 cm
3 0
3 years ago
What percent us 28 of 70?
RoseWind [281]
   
\displaystyle\\&#10; \frac{28}{70} ^{(7} =  \frac{4}{10} = \frac{40}{100} = \boxed{40\%}



3 0
3 years ago
PLZ HELP ME
iVinArrow [24]

Answer:

y=-1x+8

Step-by-step explanation:

y=mx+b

m=slope

b=y-intercept

7 0
3 years ago
Simplify 4/9 squared
belka [17]
4/81 (?) 
not sure if that is 100% correct 
6 0
3 years ago
Read 2 more answers
Other questions:
  • The model represents x2 - 9x + 14
    9·1 answer
  • Find the inverse of the following: f(x)= 7x + 1
    10·1 answer
  • Add -4 + 2/3 . A) -52/3 B) -42/3 C) -32/3 D) -31/3
    14·1 answer
  • What is the value of X.​
    7·2 answers
  • What is the arc length if θ = 2 pi over 7 and the radius is 3 cm?
    7·2 answers
  • Amanda increased the amount of protein she eats every day from 48 to 54 g. By what percentage did Amanda increase the amount of
    13·1 answer
  • Someone who understands? Please Hély me
    6·1 answer
  • You'll find lots of clouds over _____________ climates and practically no clouds over ___________ climates.
    10·1 answer
  • Please answer quick!
    7·1 answer
  • Question 4 of 5
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!