Identify the angles relationship

Ivan began dividing g2  – 6 by g + 1, noting that . he started by placing g in the quotient, as shown below. what is g2  – 6 divided by g + 1? g –  1 –  g + 1  – g  –  7 + g  –  5  + 

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

What is the relationship between all triangles that can be drawn given the same three angles