Factoring the Expression (x^2 + x + 1)(x^2 + x + 2) - 6
This article will guide you through the process of factoring the expression:
(x² + x + 1)(x² + x + 2) - 6
Let's break down the steps:
1. Substitution
To simplify the expression, we can introduce a substitution:
Let y = x² + x
Now our expression becomes:
(y + 1)(y + 2) - 6
2. Expanding the Expression
Now we can expand the brackets:
- y² + 2y + y + 2 - 6
Simplifying, we get:
- y² + 3y - 4
3. Factoring the Quadratic Expression
The expression is now a simple quadratic equation. We can factor it as:
- (y + 4)(y - 1)
4. Substituting Back
Finally, we substitute back our original value for y:
- (x² + x + 4)(x² + x - 1)
Conclusion
Therefore, the factored form of the expression (x² + x + 1)(x² + x + 2) - 6 is (x² + x + 4)(x² + x - 1).