P(x)=x^2-7x find (2x)

Ineed to learn how to solve this problem

What are the soultion(s) to the quadratic equation 40- x^2=0

If you apply the changes below to the absolute value parent function, f(x)=\x\, which of these is the equation of the new function? shift 2 units to the left shift 3 units down a. g(x)=\x-3\-2 b. g(x)= \x-2\-3 c. g(x)= \x+3\-2 d. g(x)= \x+2\-3