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
Savatey [412]
2 years ago
7

Factor: (a+3)^2 -a(a+3)

Mathematics
2 answers:
lutik1710 [3]2 years ago
6 0

Answer:

3(a +3)

Step-by-step explanation:

(a+3)^2 -a(a+3)

FOIL

a^2 +3a+3a+9 -a(a+3)

Distribute

a^2 +3a +3a +9 -a^2 -3a

Combine like terms

3a +9

FACTOR out a+3

(a+3)( a+3 -a)

(a+3) (3)

3(a+3)

Andru [333]2 years ago
4 0

Answer:

3(a+3)

Step-by-step explanation:

Expand the first set of brackets first

(a+3)^2

A^2 + 3a + 3a +9

=A^2 + 6a + 9

Expand the second set of brackets

-a(a+3)

=-a^2 - 3a

Add both sets together

3a + 9

Factorise:

3(a+3)

You might be interested in
Why is 1/6 greater than 1/8 but less than 1/3
almond37 [142]
Because u have to focus on that last number if the last number is greater or less thats the answer
5 0
3 years ago
Read 2 more answers
What is the exact solution of cos (17pi/6)?
kolbaska11 [484]
<span>The exact solution of cos (17</span>π<span>/6) is as follows:

First change the angle into degrees.

17(</span>π/6) (180°/π) = 510°

Then we calculate the cosine of the angle above and it as follows:

cos 510° = -(√3)/2

Hope this answers the question. Have a nice day.
4 0
3 years ago
REAL answers only pls
bearhunter [10]

Answer:

do we do the x veriable as the numerator? if so it's not a or c if not vice versa

Step-by-step explanation:

8 0
3 years ago
Find the roots of the equation below. 7x^2 + 1 = 0
atroni [7]
I have no clue how to solve this myself but i would recommend using photomath for tricky equations because it gives you a step by step tutorial for the problem
7 0
3 years ago
2.2y−(y−7.3)÷10=0.1<br><br>PLEASE HELP!<br><br>Answer:
Naddik [55]

Answer:

y = -0.525

Step-by-step explanation:

2.2y - y + 7.3 / 10 = 0.1

1.2y + 0.73 = 0.1

1.2y = -0.63

y = -0.525

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the value of k in the function ƒ(x) = 112 - kx if ƒ(-3) = 121?
    11·2 answers
  • Which of the following is equivalent 2x+4y
    8·2 answers
  • 5/6 has how many 1/12’s in it
    7·2 answers
  • The radius of a sphere is 5 yards. Find the<br> volume of the sphere.
    5·1 answer
  • If r = 12 cm, what is the area of this sector? Express your answer to the nearest tenth of a centimeter.​
    14·2 answers
  • What is the volume help please
    12·2 answers
  • Calculate the area of a dart which hits the dartboard with a force of 10 N and pressure of 2000 N/cm^2​
    13·1 answer
  • Which function is equivalent to h(x)=10x^(2+9x-1)
    12·2 answers
  • Joel says to Kevin, "Give me $100, and I shall become twice as rich as you."
    12·1 answer
  • Please solve this for me. You don't need a explanation. Also NO LINKS
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!