2007-05-18 08:03:28 · 8 answers · asked by ohoma 1 in Science & Mathematics ➔ Mathematics
-8x2+7x+12
2007-05-18 08:07:12 · answer #1 · answered by ~♥~ 2 · 0⤊ 0⤋
Assume question is:-
x² - 9x² + 7x + 12
= 12 + 7x - 8x²
However could be read as:-
x² - 18 + 7x + 12
= x² + 7x - 6
2007-05-18 08:15:52 · answer #2 · answered by Como 7 · 0⤊ 0⤋
=x2-18+7x+12
=x2+7x-18+12
=x2+7x-6
(assuming '-9x2' is 9 multiply by 2)
2007-05-18 08:09:41 · answer #3 · answered by shipdada 3 · 0⤊ 0⤋
x^2 - 9x^2 + 7x + 12 =
combine like terms
-8x^2 + 7x + 12
and it does not simplify further
2007-05-18 08:09:12 · answer #4 · answered by Poetland 6 · 0⤊ 0⤋
x^2-18+7x+12=x^2+7x-6
x = (-7+/-sq.root(49-4*1*-6))/2
=(-7+/-sqrt(49+24))/2
=(-7+/-sqrt(73))/2
we will not be able to proceed further, since there may be some problem in the question
2007-05-18 08:17:13 · answer #5 · answered by preetha_jayakrishnan 1 · 0⤊ 0⤋
x^2 - 9x^2 + 7x + 12
Combine like terms:
-8x^2 + 7x + 12
And unless you want to get daring and factor this (I say factor out -8 first if you're going to do that; one guy claimed to factor this but the answer is wrong) then that's about as simple as it gets.
2007-05-18 08:10:50 · answer #6 · answered by Anonymous · 0⤊ 0⤋
-10x^2 +7x + 12
2007-05-18 08:08:42 · answer #7 · answered by ihatechunli 2 · 0⤊ 2⤋
(x+0.86)*(x-1.74)
2007-05-18 08:10:06 · answer #8 · answered by Ali 1 · 0⤊ 1⤋