mckayladrawdy mckayladrawdy
  • 04-12-2019
  • Mathematics
contestada

art B: Solve the equation for x.
(X-4)(x-2)=24

Respuesta :

Lidpras
Lidpras Lidpras
  • 04-12-2019

[tex](x - 4)(x - 2) = 24 \\ {x}^{2} - 6x + 8 = 24 \\ {x}^{2} - 6x - 16 = 0[/tex]

Use the quadratic formula

[tex]x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac} }{2a} \\ x = \frac{ - ( - 6) + - \sqrt{ {( - 6)}^{2} -4 \times 1 \times ( - 16)} }{2 \times 1} \\ x = \frac{6 + - 10}{2} \\ x =8 or - 2[/tex]

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