Verify the Identity x^2-1=(x-1)(x+1)
Simplify .
Expand using the FOIL Method.
Apply the distributive property.
Apply the distributive property.
Apply the distributive property.
Simplify terms.
Combine the opposite terms in .
Reorder the factors in the terms and .
Subtract from .
Add and .
Simplify each term.
Multiply by .
Multiply by .
Since the two sides have been shown to be equivalent, the equation is an identity.
is an identity.
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Name
| Name | three hundred thirty-nine million one hundred forty-seven thousand three hundred twenty-two |
|---|
Interesting facts
- 339147322 has 4 divisors, whose sum is 508720986
- The reverse of 339147322 is 223741933
- Previous prime number is 2
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 34
- Digital Root 7
Name
| Name | seven hundred eighty-eight million eight hundred ninety-nine thousand one hundred sixty-seven |
|---|
Interesting facts
- 788899167 has 32 divisors, whose sum is 1146685440
- The reverse of 788899167 is 761998887
- Previous prime number is 977
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 63
- Digital Root 9
Name
| Name | one billion seven hundred forty-one million nine hundred seventy-four thousand nine hundred fifty-one |
|---|
Interesting facts
- 1741974951 has 16 divisors, whose sum is 2343650400
- The reverse of 1741974951 is 1594791471
- Previous prime number is 181
Basic properties
- Is Prime? no
- Number parity odd
- Number length 10
- Sum of Digits 48
- Digital Root 3