x^4-14x^3+59x^2-94x+48越快越好,
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x^4-14x^3+59x^2-94x+48越快越好,
x^4-14x^3+59x^2-94x+48
越快越好,
x^4-14x^3+59x^2-94x+48越快越好,
=x^4-x³-13x³+13x²+46x²-46x-48x+48
=x³(x-1)-13x²(x-1)+46x(x-1)-48(x-1)
=(x-1)(x³-13x²+46x-48)
=(x-1)【x³-2x²-11x²+22x+24x-48】
=(x-1)【x²(x-2)-11x(x-2)+24(x-2)】
=(x-1)(x-2)(x²-11x+24)
=(x-1)(x-2)(x-3)(x-8)
syms x
R1=simple(x^4-14*x^3+59*x^2-94*x+48)
R1 =
(x - 1)*(x - 2)*(x - 3)*(x - 8)
x^4-14x^3+59x^2-94x+48
=(x-1)(x^3-13x^2+46x-48)
=(x-1)(x-2)(x^2-11x+24)
=(x-1)(x-2)(x-3)(x-8)
x^4-14x^3+48x^2+11x^2-94x+48
=x^2(x-6)(x-8)+(11x-6)(x-8)
=(x-8)(x^3-6x^2+11x-6)
=(x-8)(x^3-6x^2+9x+2x-6)
=(x-8)[x(x-3)^2+2(x-3)]
=(x-8)(x-3)(x^2-3x+2)
=(x-8)(x-3)(x-2)(x-1)
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x^4-14x^3+59x^2-94x+48越快越好,
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