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
Whitepunk [10]
3 years ago
10

How do you factorise x^2 - 9.

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0
X ^ 2 - 9

= x ^ 2 - 3 ^ 2

It turns into 3 ^ 2
Because 3 ^ 2 = 9

The final answer is
= ( x + 3 )( x - 3 )

remember the formula :

a^2 - b^2 =(a+b)(a-b)
You might be interested in
F(x)=x2. What is g(x)?
elena-s [515]

Answer:

The answer is C.

Step-by-step explanation:

Solve the question by comparing the two graphs, at point x = 2, f(x) is 4 and g(x) is 1. so you  see denote that  g(x) = one-fourth of F(x)

8 0
3 years ago
What point is 4 points from m
Karo-lina-s [1.5K]

Answer:

A

Step-by-step explanation:

Have a nice day :)

6 0
3 years ago
Read 2 more answers
4e-6=6 e equals what plzz asap<br> 5
skelet666 [1.2K]

Answer:

No Solution

Step-by-step explanation:

1) Since 4e - 6 = 6 is false, there is no solution.

Result: No Solution

3 0
3 years ago
Which pair of symbols shows the correct signs for allordered pairs that are located in Quadrant II
OleMash [197]

Answer:

Quad II's Symbols are (-, +)

Step-by-step explanation:

                                  |

   Quad 2                  |          Quad 1

                                  |

                                  |

_______________________________

                                  |

       Quad 3              |        Quad 4

                                  |

                                  |

7 0
4 years ago
Simplify each expression:
likoan [24]
<span>I'm a little rusty, but I'll do what I can!

-21x -19 =

</span><span>x +2 =

</span><span>11.8 + 2.6y =

</span><span>-54m + 87wm + 35w =

3y + 115 =

Please let me know if you need a little explanation. But I would prefer if you didn't. lol</span>
8 0
3 years ago
Other questions:
  • Please help. Will be rewarded 20 points
    12·2 answers
  • What is the exponential function that best models the number of gnats the scientists have gathered after the number of hours lis
    8·1 answer
  • 45 45 90 triangle find values of sine cosine and tangeant of 45
    10·1 answer
  • The probability that it snows tomorrow is 45%. what is the probability that it does NOT snow ?
    6·2 answers
  • Will mark brainlist and please show your work!
    11·1 answer
  • laurette has 126 cards. She buys 6 more packages of cards that each have 7 cards in them. How many cards does laurette have now?
    10·1 answer
  • What is 30 x 45 x 34 x89
    10·1 answer
  • In ASTU, S = 360 cm, t = 110 cm and u=450 cm. Find the measure of ZU to the
    9·2 answers
  • Order the numbers from least to greatest. ___ 45 11 , 4.5, √ ___ 20 , √ ___ ___ 45 4
    5·1 answer
  • Jeff made a small flag that is shaped like a triangle. The flag has side lengths of 5 inches, 12 inches, and 13 inches. Jeff wan
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!