keeseej2002 keeseej2002
  • 17-04-2020
  • Mathematics
contestada

What is the value of z so that’s -9 and 9 are both solutions of x^2+z=103

Respuesta :

shistatadevkota6
shistatadevkota6 shistatadevkota6
  • 17-04-2020

Answer:

we have been given that x=-9 and x=9 then putting two values of x in the given equation we can find the value of z. I've got the value of z as 22

Step-by-step explanation:

The given equation is :

x^2+z=103

If we put x as (-9) ,

(-9)^2+z = 103

or, 81 +z = 103

or, z= 103-81

or,z=22 (Answer)

Now , again if we put x as 9,

9^2+z=103

or, 81+z=103

or,z=103-81

or,z=22 (Answer)

THEREFORE THE VALUE OF Z IS 22

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