g(x)=x^2-6x
m(x)=3x
q(x)=-2x+4
i(x)=7x^2-3
f(x)=2x^2
5x-7=0
r(x)=-9x-5
h(x)=-4x^2
p(x)=6x+1
n(x)=-0,5x
x^2-16=0
