help_people
  • help_people
Two sets of equatic expressions are shown below in various forms: Line 1: x2 + 3x + 2 (x + 1)(x + 2) (x + 1.5)2 − 0.25 Line 2: x2 + 5x + 6 (x + 2)(x + 3) (x + 2.5)2 + 6.25 Which line contains three equivalent expressions? Line 1 only Line 2 only Both Line 1 and Line 2 Neither Line 1 nor Line 2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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help_people
  • help_people
@DanJS
DanJS
  • DanJS
keep the first entries the same, expand out the second and third and compare those to the first
help_people
  • help_people
how would or do that?

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More answers

DanJS
  • DanJS
(x + 1)(x+ 2) = x^2 + 2x + x + 2 = x^2 + 3x + 2 that one matches
DanJS
  • DanJS
(x+1.5)^2 - 0.25 = x^2 + 1.5x + 1.5x + 2.25 - 0.25 = x^2 + 3x + 2 That one is also the same, so line 1 is all same
DanJS
  • DanJS
test the second line
help_people
  • help_people
ok, but I'm still not sure how to test the second line but i will give it a shot
help_people
  • help_people
yea I'm not sure the 1st line looks easier this one does not trust me I'm not trying for you to do my work but I'm still not sure how to do the second lien the first line looked a little easier though :/ @DanJS
DanJS
  • DanJS
\[(x+2.5)^2 + 6.5 = x^2+2.5x+2.5x+6.25 + 6.25\]
DanJS
  • DanJS
that doesn't simplify to the same as the first entry line 2
help_people
  • help_people
??? @DanJS
help_people
  • help_people
are you saying the answer a ?
help_people
  • help_people
@welshfella
DanJS
  • DanJS
yes
help_people
  • help_people
wait so line b I'm sorry just confirming @DanJS
help_people
  • help_people
i mean to say lien 1 @DanJS
DanJS
  • DanJS
yea

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