Question

A) f (x)=x²-1
B)f (x) -x²+6x-2

Answer 1

A)f(x)=x²-1
1=x²
raiz de 1=x
x=1

B)f(x)=-x²+6x-2
x²-x=6-2
x²-x=4
x=raiz de 4
x=2