If the solution to a quadratic are -1/5 and 2, what were the factors?

Question

Hint: what binomials resulted in those two solutions?

Answer 1

(x+1/5) and (x-2)

(x+1/5)(x-2) = x^2 -9x/5 - 2/5 = 0

substitute either -1/5 or 2 into that quadratic and it equals zero