Question

Factor completely 5x2 − 5x − 100.

Answer 1

First, factor out 5:
5 (x² -x -20)
We need two numbers that add to -1 and multiply to -20. -5 and 4 satisfy this.
5(x-5)(x+4)

Answer 2

Answer:

D

Step-by-step explanation:

5 (x² -x -20) Factor GCF than what x what gets u -2o and if you add it gEts you -1.