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  • 04-06-2020
  • Mathematics
contestada

What are the solutions of x2 +6x-6= 10?
O x=-11 or x=1
O X=-11 or X=-1
O X=-8 or X=-2
O X=-8 or X= 2

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 04-06-2020

Answer:

x= -8    x=2

Step-by-step explanation:

x^2 +6x-6= 10

Subtract 10 from each side

x^2 +6x-6-10= 10-10

x^2 +6x-16 = 0

What 2 number multiply to -16 and add to 6

8 * -2 = -16

8 -2 = 6

(x+8) (x-2)=0

Using the zero product property

x+8=0  x-2=0

x= -8    x=2

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