Question

Factor this trinomial: -3x2 + 17x – 20.
Select one:
a. (3x – 5)(x + 10)
b. (-3x + 5)(x - 4)
c. (-3x + 10)(x – 5)
d. (-3x + 1)(x – 15)

Answer 1

you can multiply each answer choice out to see which one matches up with -3x^2 + 17x - 20

Answer 2

oh

Answer 3

http://www.wolframalpha.com/input/?i=factor+-3x^2+%2B+17x+-+20

Answer 4

for example, multiply out (3x – 5)(x + 10)

you can use this table