Question

A(x)=-12x+18

Answer 1

A(x)= 6

Answer 2

\(A(x) = -12x + 18\) 

Cho \(A(x) =0\)

\(\rightarrow -12x +18=0\)

\(\rightarrow -12x =-18\)

\(\rightarrow 12x =18\)

\(\rightarrow x = 18 :12\)

\(\rightarrow x = \dfrac{3}{2}\)

Vậy \( x = \dfrac{3}{2}\) là nghiệm của \(A(x).\)