Answer:
Step-by-step explanation:
d
(x-7) (x+1)
x^2 - 6x - 7
What two numbers multiply to -7 and add to -6
-7*1 = -7
-7+1 = -6
630 tree:
2x315
5x63
3x21
3x7
So its 2x5x3x3x7
Or, 2x5x3^2 x 7.
Hope this helps :D