anonymous
  • anonymous
x^2+16
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
(x+4)(x+4) (x-4)(x-4) (x+4)(x-4) cannot be factored
skullpatrol
  • skullpatrol
Any ideas?
anonymous
  • anonymous
idk that why i ask for help

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More answers

skullpatrol
  • skullpatrol
Have you learned the FOIL method? :-)
skullpatrol
  • skullpatrol
Are you still there?
anonymous
  • anonymous
yea but i still don't get it
skullpatrol
  • skullpatrol
Work backwards from the answer choices with the FOIL method to see if you can get the question.
skullpatrol
  • skullpatrol
|dw:1449842150788:dw|
anonymous
  • anonymous
X= -4,4
AlexandervonHumboldt2
  • AlexandervonHumboldt2
hint: a^2+b^2=(a – bi)(a + bi)
anonymous
  • anonymous
@micahm
micahm
  • micahm
freemathhelp.com
skullpatrol
  • skullpatrol
|dw:1449842336473:dw|
anonymous
  • anonymous
Factor 2x2 - 50 completely.
anonymous
  • anonymous
2x^2-50
AlexandervonHumboldt2
  • AlexandervonHumboldt2
first take out 2: 2x^2-2*25 2*(x^2-25) 2*(x^2-5^2) use difference of squares: a^2-b^2=(a-b)*(a+b) any ideas?
anonymous
  • anonymous
uh
AlexandervonHumboldt2
  • AlexandervonHumboldt2
a=x b=5 substitute lol
Johan14th
  • Johan14th
Try using the quadratic formula a=1 b=0 c=16 x= (-b +or- sqrt.(b^2-4ac))/2a
denisaboichuk
  • denisaboichuk
(a – bi)(a + bi)

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