anonymous
  • anonymous
what number would complete the square? x^2-2x+6=0
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
a)1 b)6 c)4 d)-1
anonymous
  • anonymous
1
anonymous
  • anonymous
you sure?

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More answers

anonymous
  • anonymous
@03453660
anonymous
  • anonymous
yap
anonymous
  • anonymous
want to know??
anonymous
  • anonymous
sure
anonymous
  • anonymous
@03453660
anonymous
  • anonymous
ok
anonymous
  • anonymous
your equation is x^2-2x+6=0 now take the constant to RHS x^2-2x = -6 look to LHS of this equation what should i add to make it perfect square like it become (a+b)^2 or (a-b)^2
anonymous
  • anonymous
ok
anonymous
  • anonymous
so if i add 1 to LHS and RHS then LHS become a perfect square x^2-2x+1 = -6+1 (x-1)^2 = -5 this LHS has became a perfect square by adding 1 to it
anonymous
  • anonymous
got it!! thanks!!
anonymous
  • anonymous
welcome! and sorry for the late reply i have some problem in internet connection
anonymous
  • anonymous
no worries..could you help me with one more please? x^2-4x-9=0 @03453660
anonymous
  • anonymous
a)9 b)-4 c)4 d)13
anonymous
  • anonymous
this is 4
anonymous
  • anonymous
did you know how to solve this. its a little bit tricky
anonymous
  • anonymous
ok i can try and figure it out! thank you :)
anonymous
  • anonymous
you are wlcome

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