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
Assoli18 [71]
3 years ago
10

If x is a whole number and 437 = (21 + x)(21 - x), then x =

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0
<span>437 = (21 + x)(21 - x), then x = 2, -2</span>
You might be interested in
The product of 5 and a numberis -80
ad-work [718]
1. 5x= -80. x= -16

2. x - 73 = 129. x = 202

3. x/-8 = 22. x = -176

4. 2x + 8 = 8. 2x = 0. x = 0

5. 3x - 7 = 40. 3x = 47. x = 47/3
4 0
3 years ago
Riley buys a swim pass for the pool in January. The first month costs $30. Each month after that, the cost is $20 per month.
Zanzabum

Answer:

you pay 240 dollars a year

Step-by-step explanation:

y=20x

x is 12

20*12=

240

6 0
3 years ago
Read 2 more answers
What is the value of x in the equation −x = 2 − 3x + 6?
Wittaler [7]
-x = 2 - 3x + 6

Add 3x to both sides.

-x + 3x = 2 + 6

Simplify.

2x = 8

Divide both sides by 2.

x = 4

~Hope I helped!~
7 0
3 years ago
Expand using distribution: 2x(x+1)(x-5)
morpeh [17]

Answer:

2x^3-8x^2-10x

Step-by-step explanation:

2x(x+1)(x-5)\\\\2x(x^2-4x-5)\\\\2x^3-8x^2-10x

5 0
2 years ago
Please tell me the correct answer and I will mark you brainliest
RoseWind [281]
All of the answers you put are correct. good job!
8 0
3 years ago
Other questions:
  • Divide and answer in simplest form: 5 ÷ 3 /5
    8·1 answer
  • What is an isometry?
    6·2 answers
  • Help help help from !!!!!!!!!!!!!
    11·2 answers
  • Round 5.823 to the nearest whole
    11·2 answers
  • Need a little help help here..
    9·2 answers
  • Which of the binomials below is a factor of this trinomial?
    14·2 answers
  • It represents the set of traits, competencies and values an individual would like to possess.
    7·1 answer
  • 100+300= What is it<br><br> Help plz
    13·1 answer
  • PLZ HELP RN I WILL GIVE BRAINLIEST TO BEST ANSWER AND NO LINKS!
    7·2 answers
  • As the 1920s progressed, it became for farmers to make a living.<br> answer: more difitcul
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!