What can each term of the equation be multiplied by to eliminate the fractions before solving

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

What is the factor form of x^2-9x+14

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.