Question

#10

Answer 1

yeah

Answer 2

2x^2 − 3x − 15 = 5

Answer 3

solve?
2x^2 − 3x − 15 = 5
2x^2-3x-20=0
Which two numbers add up to -3 and multiply to -40?
5 and -8
2x^2+5x−8x−20=0
(2x+5)(x−4)=0
x=−5/2,4

Answer 4

Yes, that was what I had to do. Thanks.

Answer 5

:)

Answer 6

:-)