juliestaten3729 juliestaten3729
  • 23-04-2019
  • Mathematics
contestada

solve the quadratic equation by completing the square.
x^2-18x+78=0
first, choose the appropriate form and fill in the blanks with the correct numbers.
a.) (x+?)^2=?
or
b.) (x-?)^2=?

then, solve the equation.
x=?

Respuesta :

MrAldehyde MrAldehyde
  • 24-04-2019

Exact Form:

x

=

9

±

√

3

Decimal Form:

x

=

10.73205080

,

7.26794919

Answer Link

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