Question

What are the solutions to the equation 3(x – 4)(x + 5) = 0?
x = –4 or x = 5
x = 3, x = 4, or x = –5
x = 3, x = –4, or x = 5
x = 4 or x = –5

Answer 1

Set each term equal to zero
(x-4)=0=) x=4
(x+5)=0 =) x=-5
The last choice
"x = 4 or x = –5"