I think I got an answer.
Is it r2(squared)+3r+18??
2006-11-21 15:20:10 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Try Using FOIL next time. However, here's the answer:
r^2 + 6r - 3r - 16
r^2 + 3r - 16
You were so Close! You needed to multiply -3 by 6. A negative times a positive is a negative. Here's a tip:
A Good Thing Happening to a Good Guy is a Good Thing (Positive * Positive=Positive)
A Good Thing Happening to a Bad Guy is a Bad Thing
(Positive * Negative=Negative)
A Bad Thing Happening to a Good Guy is a Bad Thing
(Negative * Positive=Negative)
A Bad Thing Happening to a Bad Guy is a Good Thing
(Negative * Negative=Positive)
2006-11-21 15:28:42 · answer #1 · answered by teacherzxxpetz 2 · 0⤊ 0⤋
No
Bearing in mind the 3 is negative:
r^2 +3r - 18
(note the minus 18)
2006-11-21 23:24:27 · answer #2 · answered by Tom :: Athier than Thou 6 · 0⤊ 0⤋
i suggest you go get extra help if you cant sove questions like that because when you get to maths in grade 12 and above those become like adding 1+1 and now the correct answer is r^2+3r -18
2006-11-21 23:25:52 · answer #3 · answered by ayok 2 · 0⤊ 0⤋
(r-3)(r+6)
r^2+3r-18
sign error. -3*6=-18
2006-11-21 23:23:30 · answer #4 · answered by yupchagee 7 · 0⤊ 0⤋
no r^2+3r-18
2006-11-22 01:36:53 · answer #5 · answered by sam 3 · 0⤊ 0⤋
r^2+6r-3r-18
r^2+3r-18
( it's -18 because -3*6= -18)
2006-11-21 23:24:10 · answer #6 · answered by 7 · 0⤊ 0⤋