Simplifying (x+5)(x+6)(x+7)
This expression represents the product of three binomials. To simplify it, we can use the distributive property multiple times.
Step 1: Multiply the first two binomials
First, let's multiply (x+5) and (x+6):
(x+5)(x+6) = x(x+6) + 5(x+6) = x² + 6x + 5x + 30 = x² + 11x + 30
Step 2: Multiply the result by the third binomial
Now we have: (x² + 11x + 30)(x+7)
Let's multiply again: x²(x+7) + 11x(x+7) + 30(x+7) = x³ + 7x² + 11x² + 77x + 30x + 210
Step 3: Combine like terms
Finally, combining the like terms:
x³ + 18x² + 107x + 210
Conclusion
Therefore, the simplified form of (x+5)(x+6)(x+7) is x³ + 18x² + 107x + 210.