03-10-2018
Mathematics

contestada

X squared minus9X +18 equals zero

Respuesta :

boomdyno12 boomdyno12

03-10-2018

x^2-9x+18=0

So I'm gonna solve it as if you need to find the x values

So 18 is positive and 9 is negative, so we have to find 2 values that multiply to +18 but add to a -9

Which is negative 3 and negative 6. double - = +

(x-3) (x-6)

x intercepts ---> x= 3 x= 6

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