yaya090600
  • yaya090600
HELP!!! WILL FAN AND MEDAL!!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
yaya090600
  • yaya090600
Which of the following represents the zeros of f(x) = x^3 − 4x^2 − 5x + 20?
yaya090600
  • yaya090600
−4, −square root of 5, −square root of 5 4, square root of 5, −square root of 5 4, −square root of 5, −square root of 5 −4, square root of 5, square root of 5
yaya090600
  • yaya090600
@mjmahmood

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More answers

yaya090600
  • yaya090600
@KendrickLamar2014
yaya090600
  • yaya090600
@misty1212
fettiwap1738
  • fettiwap1738
yo yo yo
yaya090600
  • yaya090600
o.o
fettiwap1738
  • fettiwap1738
y=x3−4x2−5x+20 y=x3−4x2−5x+20 246810−2−4−6−8−10246810−2−4−6−8−10
fettiwap1738
  • fettiwap1738
go to mathpapa algebra calc
yaya090600
  • yaya090600
wait wuhhhh? XD
KendrickLamar2014
  • KendrickLamar2014
How is that an answer? @fettiwap1738
fettiwap1738
  • fettiwap1738
cuz my wingspans in your mouth
yaya090600
  • yaya090600
I think hes cheerleading or somthin
fettiwap1738
  • fettiwap1738
wiener
KendrickLamar2014
  • KendrickLamar2014
Haha true, he cant even spell Fetty Wap rigt :P
fettiwap1738
  • fettiwap1738
my balls are hard
KendrickLamar2014
  • KendrickLamar2014
@TheSmartOne can you help?
fettiwap1738
  • fettiwap1738
bcuz my insta is fettiwap1738 hmu follow me
yaya090600
  • yaya090600
no thx :)
KendrickLamar2014
  • KendrickLamar2014
^ rejected
fettiwap1738
  • fettiwap1738
ok bby
fettiwap1738
  • fettiwap1738
im gonna ram yee in yer arse m8
yaya090600
  • yaya090600
please leave...
fettiwap1738
  • fettiwap1738
bye
yaya090600
  • yaya090600
im stuck between A and C
yaya090600
  • yaya090600
wow lol @TheSmartOne looked at the problem and left XD
anonymous
  • anonymous
Lol is this just a medal question
anonymous
  • anonymous
yeah
anonymous
  • anonymous
Oh nope nvm now the question shows up
anonymous
  • anonymous
Wait a and c are the same?
yaya090600
  • yaya090600
haha lol
anonymous
  • anonymous
Wait no Nvm one again
yaya090600
  • yaya090600
a is negative 4 c is positive 4
anonymous
  • anonymous
I would go with c but I'm not 100% sure
yaya090600
  • yaya090600
i was thinking A but im stupid :P
yaya090600
  • yaya090600
Grrr i put A and i got it wrong lol
yaya090600
  • yaya090600
i guess its C then XD
TheSmartOne
  • TheSmartOne
I left because I had to go
TheSmartOne
  • TheSmartOne
but I'll post the solution:
TheSmartOne
  • TheSmartOne
\(x^{3}-4x^{2}-5x+20 = ( x^{2}-5 )( x-4 )\)
TheSmartOne
  • TheSmartOne
\(\begin{aligned} x^{3}-4x^{2}-5x+20 = ( \color{blue}{ x^{3}-4x^{2} } ) + ( \color{red}{ -5x+20 }) &= \\ &= \color{blue}{ x^{2}( x-4 )} + \color{red}{ -5( x-4 ) } = \\ &= (x^{2}-5)(x-4) \end{aligned}\)
TheSmartOne
  • TheSmartOne
Set them equal to 0, and one solution is x = 4 and x^2 - 5 = 0 x^2 = 5 x = plus or minus sqrt of 5
TheSmartOne
  • TheSmartOne
answer would have been b :)
TheSmartOne
  • TheSmartOne
Just in case anyone asks why I gave a direct answer, the asker asked it 5 minutes ago, and let with a wrong answer and also submitted a wrong answer, so yeah yolo
KendrickLamar2014
  • KendrickLamar2014
*claps* beautiful explanation TSO :)

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