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
bekas [8.4K]
2 years ago
5

How to factor this expression: x^2-9?

Mathematics
1 answer:
Lena [83]2 years ago
7 0

Answer:

(x+3)(x-3)

Step-by-step explanation:

rewrite "9" as 3^2

so it is x^2-3^2

You use the difference of squares: a^2-b^2=(a+b)(a-b)

apply it: (x+3)(x-3)

You might be interested in
HELPHELPHELPHELPHELP PLZ GOD Find the area of a square with sides of length 1/3 yard.
elena55 [62]
Area of a square equals length x width. All you need to do is multiply 1/3 by 2.
8 0
3 years ago
What is the value of x? 2 3 6 7
viva [34]

Answer:

6

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What is 3 positive numbers give the same result when multipleied and added together?
Furkat [3]
1+2+3=6 and 1x2x3=6 so your answer is 1,2 and 3.

8 0
3 years ago
Read 2 more answers
X + 23 = −4
Artist 52 [7]

Answer:

x = -27

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Need Answer for this one still!
love history [14]
The answer would be C: 2/3
There are 4 out of 6 letters that aren’t vowels (BMPC)
And 4/6 = 2/3
5 0
4 years ago
Read 2 more answers
Other questions:
  • Samantha threw an apple out of a window. The equation -16t^(2)+120=y can be used to represent the apple's height above the groun
    14·1 answer
  • How do you find the surface area of a cylinder formed by each net? If possible could I get both answered
    14·2 answers
  • Pls solve the simultaneous equation in the attachment.
    12·1 answer
  • Keegan jogs laps around a park playground. The playground is 90m long and 35m wide. How many laps will it take him to jog 1 km?
    6·1 answer
  • What is the value of the angle marked with x
    5·2 answers
  • What is 1/12 plus 5/18?
    5·2 answers
  • The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mea
    10·1 answer
  • Can someone explain this / answer, Its a picture
    6·1 answer
  • Can someone plz help meeee!
    14·2 answers
  • F(x)= 2/3x -6 what is the value of f(-9)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!