averiasnow averiasnow
  • 01-02-2018
  • Mathematics
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HELP GEOMETRY find x with both questions

HELP GEOMETRY find x with both questions class=

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Hosein
Hosein Hosein
  • 01-02-2018

[tex]x(6 + x) = 5 \times 8 \\ {x}^{2} + 6x - 40 = 0 \\ (x + 10)(x - 4) = 0 \\ x = 4[/tex]
[tex]4(x + 4) = 64 \\ x + 4 = 16 \\ x = 12[/tex]
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