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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