I : PTĐTTNT

\(\left(x^2-3\right)^2+16\)

help me

I : PTĐTTNT

a) \(\left(x^2-x-2\right)^2+\left(x-2\right)^2\)

b) \(x^4+2019x^2+2018x+2019\)

c) \(x^4+2x^3+5x^2+4x-5\)

help me

I : PTĐTTNT

a)A= (x-1)(x+2)(x+7)-16

b) A= \(\left(x^2-x-2\right)^2+\left(x-2\right)^2\)

c) \(81x^4+4\)

d) \(\left(x^2-3\right)^2+16\)

help me