Let A = 4x + 7x – 12 and B = 3x2 + 20x + 2. a. Find A - B.
b. Factor the difference you found in part a.

c. Evaluate your answer for x = -7.

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?

7x^2-9x+5=0 find the discriminant and number of real solutions