anonymous
  • anonymous
help
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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anonymous
  • anonymous
|dw:1440162501476:dw| The rectangle below has an area ofx^2-6x-7 square meters and a width of x-7 What expression represents the length of the rectangle? length= meters
anonymous
  • anonymous
i dont understand am i suppose to do the equation and find the answer
Jhannybean
  • Jhannybean
\[A= l\cdot w \iff l = \frac{A}{w}\]

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anonymous
  • anonymous
honlan salang e daehan sin
Jhannybean
  • Jhannybean
Sorry, don't understand korean :\
Jhannybean
  • Jhannybean
Is that korean?
anonymous
  • anonymous
i dont think im supose to find the area just the length=? meters and sorry
anonymous
  • anonymous
and yes
Jhannybean
  • Jhannybean
To make things easier, factor out \(x^2-6x-7\)
anonymous
  • anonymous
swibsali
Jhannybean
  • Jhannybean
Well, in your answer you will have an expression for the length, as in length = equation.
anonymous
  • anonymous
in meters like this|dw:1440162954761:dw|
anonymous
  • anonymous
u jeongmal ilh-eoss-eoyo
Jhannybean
  • Jhannybean
yes, so if \(l= \dfrac{A}{w}\) and \(A = x^2-6x-7\), how can we factor \(x^2-6x-7\) ?
anonymous
  • anonymous
(x−7)(x+1)?
anonymous
  • anonymous
olbaleun gwonli
anonymous
  • anonymous
@Jhannybean

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