Factor the trinomial x squared minus 4 x minus 5x24x5 Select

Factor the trinomial. x squared minus 4 x minus 5x24x5.      Select the correct choice below and, if necessary, fill in the answer box to complete your choice.    A. x squared minus 4 x minus 5x24x5equals=nothingm        B. x squared minus 4 x minus 5x24x5 is prime.

Solution

x squared minus 4 x minus 5x24x5

= x^2 -4x - ( 5x^2 -4x -5)

= -4x^2 +5