Question

find the value(s) of x for which f(x)=g(x). f(x)=x^4-2x^2, g(x)=2x^2

Answer 1

\[f(x)=x^2 (x^2-2)\]
\[g(x)=2x^2\]
when f(x)= g(x)
we have f(x)-g(x)=0

Answer 2

\[x^2(x^2-2-2)=0\]

Answer 3

values are x=0 or x=+2, -2

Answer 4

thanx