Factor completely, I NEED HELP

4x^3 + 7x^2 +4x + 7

Ineed if you could explain and give me the answer you! this needs done

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Can someone me and plz do the problem