dhiett
dhiett dhiett
  • 14-11-2018
  • Mathematics
contestada

subtract
(10x^2-13x+4)-(9x^2+15x+1)
and please show the steps of how you got the answer

Respuesta :

Feargamerguy
Feargamerguy Feargamerguy
  • 14-11-2018

You use the quadratic formula.

x1 =

- (-28) - the square root of (-28) to the power of 2 minus 4 times 1 times 3 divided by 2 x 1 =

28 - 2 x the square root of 193 divided by 2 is 0.108.


x2 =

- (-28) plus the square root of (-28) to the power of 2 minus 4 times 1 times 3 divided by 2 times 1 =

28 plus 2 times the square root of 193 divided by 2 is 27.892


Extrema:

Min would equal (14, -193)


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