Question

(x+4) (x+2) (x^2 + 1)

Answer 1

Answer:

(x^4+6x^3+9x^2+6x+8)

Step-by-step explanation:

(x+4)(x+2)(x^2+1)

(x^2+4x+2x+8)(x^2+1)

(x^2+6x+8)(x^2+1)

(x^4+x^2+6x^3+6x+8x^2+8)

(x^4+6x^3+9x^2+6x+8)

Answer 2

Step-by-step explanation:

(x+4)(x+2)(x^2+1)

x^2+2x+4x+8(x^2+1)

x^2+2x^3+4x^3+8x^2+x^2+2x+4x+8