(x+2)(x+3) = x \cdot x + x \cdot 3 + 2 \cdot x + 2 \cdot 3
= x^2 + 3x + 2x + 6
= x^2 + 5x + 6
(x+2)(x+3)\boxed{x^2 + 5x + 6} .
Frequently asked questions (FAQs)
What is the product of (3 + 4i)(2 + 5i)?
+
What is the standard equation of an ellipse with a horizontal major axis, center at (2, -3), a vertical minor axis of length 8, and a major axis of length 10?
+
What is the standard deviation of the following data set: 12, 18, 20, 24, 30, 36, 42, 46?