Question

(2r-1)(r^4+r^2+1) = 0 help me find r please

Answer 1

um what math lvl is this?

Answer 2

im grade 11 lol but I forget the rules..I'm supposed to let r^2 = k tho, that I'm sure of

Answer 3

sorry dont know XD

Answer 4

aw okay :( thanks anyways

Answer 5

well i gave up :P

Answer 6

i can try again lol

Answer 7

i forgot ha just multiply the terms out FOIL :P (I havent done it yet )

Answer 8

okis it comes out to

(2r^5 + 2r^3 +2r) + (-r^4-r^2-1)

2r^5 + (-r^4) +2r^3 + (-r^2) + 2r + (-1) = 0

...

is my simplify correct :P

Answer 9

I got it nvm thanks thooooo :))

Answer 10

does it help though?

Answer 11

i mean

Answer 12

did i get it right lol
XD