ogbobbyjohnson539 ogbobbyjohnson539
  • 21-04-2020
  • Mathematics
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x^2-x-2=0 quadratic formula

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fazeogfortnite fazeogfortnite
  • 21-04-2020

YMCA GET RICK ROLLD BOIIIIIIIIIIIIIIIIIIIIIIIIIII

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A113Pixar
A113Pixar A113Pixar
  • 21-04-2020

Answer:

x = 2 , -1

Step-by-step explanation:

x^2-x-2 = 0

x = (-b ± √(b^2 - 4ac)) / 2 * a =

(1 ± √1 - 4 * 1 * -2) / 2 =

(1 ± √1--8) / 2 =

(1± √9 ) / 2 =

x = 1 + 3 / 2 = 4/2 = 2

x = 1 - 3 /2 = -2 / 2 = -1

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