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
kompoz [17]
3 years ago
8

PLEASE HELLLPP verify 3 (x-1) (x+1)

Mathematics
1 answer:
svetoff [14.1K]3 years ago
6 0

Answer:

3x^2 -3

Step-by-step explanation:

3 (x-1) (x+1)

FOIL the terms in parentheses

first x*x = x^2

outer x*1 =x

inner -1 *x = -x

last -1 *1 = -1

Add them together

x^2 -x+x -1 = x^2 -1

3 ( x^2 -1)

Now multiply by 3

3x^2 -3

You might be interested in
A regular hexagon has a perimeter of 72 feet. How long is each side?
Lena [83]

Step-by-step explanation:

a hexagon has 6 sides

so it's only 72/6

so each side is <u>1</u><u>2</u><u>f</u><u>t</u>

7 0
3 years ago
Read 2 more answers
What percent of 12 is 24
jeka57 [31]

Answer:

200%

Step-by-step explanation:

12 as a whole would be 100%. if you wanted to get to 24 (which would be double) you'd need to double the percentage! hope this helps

6 0
3 years ago
A pair of shoes usually sells for $61. If the shoes are 30% off, and sales tax is 6%, what is the total price of the shoes, incl
Vinil7 [7]

Answer:

$45.26

Step-by-step explanation:

30% × 61 = 18.3

= $18.30 off, 61 - 18.3 = 42.7

6% × 42.7 = 2.562

= 42.7 + 2.562

=  45.26

8 0
3 years ago
John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. Write an equation to determine the total
suter [353]

Answer: the equation is 1/3p-3=114

The novel has a total of 351 pages

Step-by-step explanation:

6 0
3 years ago
Find the unknown length x in the right triangle, to the nearest tenth .
VARVARA [1.3K]

Answer:

x = 11.7

Step-by-step explanation:

sin of an angle is opposite/hypotenuse

sin 38 = x/19

x = 19 sin 38

x = 11.7

You need to memorize the definitions of all the trig functions and then this type of problem will be easy for you.

8 0
3 years ago
Other questions:
  • 1 by root 50 simplest rationalising factor
    10·1 answer
  • Write a fact with the same sum as 7+5
    11·1 answer
  • Look at the following numbers: −5, −6, 0, 6 Which pair of numbers has a sum of zero? −6, 0 −5, 6 6, −6 −5, 0
    15·2 answers
  • Employee benefits ____.
    6·2 answers
  • A solid lies between planes perpendicular to the x-axis at x tox=. The cross sections perpendicular to the x-axis are circular d
    12·1 answer
  • 27. Explain the Error Yuan is asked to evaluate the expression (-8)' on his exam, and writes that it is unsolvable because you c
    8·1 answer
  • The diagram shows a rectangle and a diagonal of the rectangle. Length=8.5cm. Width=5.6cm. Work out the length of the diagonal of
    13·1 answer
  • Which of the expressions are equivalent to the one below? (14+4)/6
    7·2 answers
  • Simplify the expression 5x + 4 + 9x =
    7·2 answers
  • Which pair of angles are alternate exterior angles of parallel lines v and w?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!