anastacia1
anastacia1
10-11-2016
Mathematics
contestada
solve the following quadratic x^2-121=f(x)
Respuesta :
sontran
sontran
13-11-2016
To solve them, set the equation equal 0. so
x^2-121 = 0
plus 121 for both side then we get
x^2 =121
We take the square root for both side ''
x = + or - 11
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