(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)
Math Question: State the rule for congruence of triangles that determines triangles are congruent if two sides and the included angle of one triangle are equal to two corresponding sides and the included angle of the other triangle.
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What is the measure of the third angle in a triangle if the other two angles measure 40° and 80°?