Which expression completes the factored form of this quadratic expression? x2 + 4x – 5 (x-1) (x+1) (x+4) (x-4) (x+3)

Find factors of -5 that, when added together, will give 4

x² + 4x - 5
x             5
x           -1

(x + 5)(x -1)

Using the FOIL method (First, Outside, Inside, Last), we can get the question again.

x(x) = x²
x(-1) = -x
5(x) = 5x
5(-1) = -5

x² - x + 5x - 5
x² + 4x - 5

(x + 5) (x - 1) is your answers

however, i believe it is only asking for one. Therefore, because (x - 1) is a choice, (x - 1) should be your answer

hope this helps

X= 49; x = 4step 1: foilstep 2: equal both to 0step 3: find x individually