sarahscottcorrao sarahscottcorrao
  • 01-02-2018
  • Mathematics
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find x! Please help!!

find x Please help class=

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anchitthawi
anchitthawi anchitthawi
  • 01-02-2018

[tex] {(8 + x)}^{2} = {8}^{2} + {15}^{2} \\ {(8 + x)}^{2} = 64 + 225 \\ {(8 + x)}^{2} = 289 \\ {(8 + x)}^{2} = {17}^{2} \\ 8 + x = 17 \\ so \: x = 17 - 8 = 9[/tex]
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