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Tazzie
Factorise 9-3x-2x^2
thanx!
thanx!
-2x^2 - 3x - 9
(-2x + 3)(x - 3)
There ya go.
JamesF
-(2x+3)(x-3)
Please reply to my PM.
James, please?
Tazzie
Factorise 9-3x-2x^2
thanx!
thanx!
Incase you come back to this thread, the answer is:
(-2x + 3)(x - 3)
Tazzie
Thanx... igot the signs mixed up!
(-2x + 3)(x - 3)
This expands to:
-2x^2 + 3x - 6x - 9
Which simplifies to:
-2x^2 - 3x - 9
This was the original expression that you were told to factorise.
bono
(-2x + 3)(x - 3)
This expands to:
-2x^2 + 3x - 6x - 9
Which simplifies to:
-2x^2 - 3x - 9
This was the original expression that you were told to factorise.
This expands to:
-2x^2 + 3x - 6x - 9
Which simplifies to:
-2x^2 - 3x - 9
This was the original expression that you were told to factorise.
actually its not the rite answer...i fink its (-2x+3)(x+3)
because this (-2x + 3)(x - 3) actually expands to
-2x^2+3x+6x-9 =>-2x^2+9x-9
Tazzie
Wow...i managed to answer my own question!!
WTF?! Are you sure you didn't edit your first post?
I swear I must be seeing things, I read your first post with "-9" not "9". My apologies.
koldtoast
ok, if u had to factorise
9-3x-2x^2 => -2x^2-3x+9
then
-2x^2 -6x +3x +9
(-2x + 3)(x + 3)
I think thats right
9-3x-2x^2 => -2x^2-3x+9
then
-2x^2 -6x +3x +9
(-2x + 3)(x + 3)
I think thats right
Yes, for some reason i read her first post as "-9" not "9".
Tazzie
Factorise 9-3x-2x^2
thanx!
thanx!
9-3x-2x^2
-2x^2 - 3x - 9
(-2x + 3)(x + 3)
Tazzie
actually its not the rite answer...i fink its (-2x+3)(x+3)
because this (-2x + 3)(x - 3) actually expands to
-2x^2+3x+6x-9 =>-2x^2+9x-9
because this (-2x + 3)(x - 3) actually expands to
-2x^2+3x+6x-9 =>-2x^2+9x-9
yes, I read your first post wrong.
Read my last post, its "+3" in both brackets.
Tazzie
Its ok bono....we all make mistakes
dats the mistake i woz makin 2...so no worries!
dats the mistake i woz makin 2...so no worries!
I didn't make a mistake, I read your first post wrong.
I factorised: -2x^2 - 3x - 9
I misread your post.
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