anonymous
  • anonymous
Find the sum of all real solutions of the equation x^2−16=3(x−4)^2.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[x^{2}-16=3(x-4)^2\] using difference of two squares we simplify left hand side \[x^2-4^2=(x-4)(x+4)\] \[(x-4)(x+4)=3(x-4)(x-4)\] \[x+4=3(x-4)\]
anonymous
  • anonymous
I know that . But I got the Answer x=8 and its wrong .
anonymous
  • anonymous
that implies the above method is wrong,let me think of another way

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anonymous
  • anonymous
Ok thanks , I'll wait :

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