# Solve by Factoring x^3+3x^2-4x-12=0

Solve by Factoring x^3+3x^2-4x-12=0
Factor out the greatest common factor from each group.
Group the first two terms and the last two terms.
Factor out the greatest common factor (GCF) from each group.
Factor the polynomial by factoring out the greatest common factor, .
Rewrite as .
Factor.
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Remove unnecessary parentheses.
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Set the first factor equal to and solve.
Set the first factor equal to .
Subtract from both sides of the equation.
Set the next factor equal to and solve.
Set the next factor equal to .
Subtract from both sides of the equation.
Set the next factor equal to and solve.
Set the next factor equal to .
Add to both sides of the equation.
The final solution is all the values that make true.
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### Name

Name one billion five hundred seventy million three hundred twenty-six thousand four hundred twenty-one

### Interesting facts

• 1570326421 has 8 divisors, whose sum is 1706297600
• The reverse of 1570326421 is 1246230751
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 31
• Digital Root 4

### Name

Name one billion three hundred seventy-eight million five hundred sixty thousand eight hundred eighty-two

### Interesting facts

• 1378560882 has 8 divisors, whose sum is 2757121776
• The reverse of 1378560882 is 2880658731
• Previous prime number is 3

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 48
• Digital Root 3

### Name

Name one billion eight hundred eighty-eight million seven hundred five thousand eight hundred eighty

### Interesting facts

• 1888705880 has 128 divisors, whose sum is 7910501472
• The reverse of 1888705880 is 0885078881
• Previous prime number is 53

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 53
• Digital Root 8