Should i add, subtract, multiply, or divide 14b= -56

What are the steps to solving the inequality 3b + 8 ≥ 14?

Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g