Question

Answer 1

a: f(x)-h(x)=g(x)

=>h(x)=f(x)-g(x)

=>\(h\left(x\right)=2x^4+5x^3-x+8-x^4+x^2-3x-9\)

=>\(h\left(x\right)=x^4+5x^3+x^2-4x-1\)

b: k(x)-g(x)=f(x)

=>k(x)=f(x)+g(x)

=>\(k\left(x\right)=2x^4+5x^3-x+8+x^4-x^2+3x+9\)

=>\(k\left(x\right)=3x^4+5x^3-x^2+2x+17\)