Answer:
2x^2-8x+13
Step-by-step explanation:
f(x)=2x^2+5
f(x-2)=2(x-2)^2+5
f(x-2)=2(x-2)(x-2)+5
f(x-2)=2(x^2-2x-2x+4)+5
f(x-2)=2(x^2-4x+4)+5
f(x-2)=2x^2-8x+8+5
f(x-2)=2x^2-8x+13
