Help plz..And No links

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

Which expression is equivalent to -5(3x - 6/7)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,