Question
x^8+19x^5-216x^2
Answer
216=2×108= 2×2×54=2×2×2×27=8×27
x^8+19x^5-216x^2
=x^2(x^6+19x^3-216)
=x^2(x^3+27)(x^3-8)
=x^2(x+3)(x^2-3x+1)(x-2)(x^2+2x+1)
x^8+19x^5-216x^2
216=2×108= 2×2×54=2×2×2×27=8×27
x^8+19x^5-216x^2
=x^2(x^6+19x^3-216)
=x^2(x^3+27)(x^3-8)
=x^2(x+3)(x^2-3x+1)(x-2)(x^2+2x+1)