Question

Anyone know this answer

Answer 1

Use the distributive property.
  (x -2)*(x^2 +5x +2 = x(x^2 +5x +2) -2(x^2 +5x +2)
  = (x^3 +5x^2 +2x) +(-2x^2 -10x -4)
  = x^3 +x^2*(5 -2) +x*(2 -10) -4
  = x^3 +3x^2 -8x -4 . . . . . . . . . . . the 3rd selection