Math question: What is the result when the vector (3, -2) is added to the vector (-5, 7) and then subtracted from the vector (8, 4)?
+
Math Question: If two angles of one triangle are congruent to two angles of another triangle, and the included sides for these angles are also congruent, what can you conclude about the triangles' congruence?
+
Find the values of x that satisfy the quadratic equation 2x^2 + 5x - 3 = 0.