What polynomial should be subtracted from 7x2−6x+5 to get the difference equal to x2−x.

should be subtracted.

Step-by-step explanation:

we find the polynomial that is subtracted from 7x^2-6x+5 to get the difference equal to x^2-x

7x^2-6x+5-polynomial=x^2-x

To get the polynomial subtract x^2-x from the given polynomial

So should be subtracted.

idk lol

step-by-step explanation:

reduce the friction between its moving parts

step-by-step explanation:

in fact, by reducing the friction between the moving parts of the machine, it is possible to reduce the energy wasted due to this friction; therefore, more input energy is converted into useful work, and this will improve the efficiency of the machine.