Question

综合除法做(x^4-3x^3+6x^2-10)除以( x^2-3x+1)要过程50分

Answer 1

(x^4-3x^3+6x^2-10)-( x^2-3x+1)*(x^2)

= (x^4-3x^3+6x^2-10)-( x^4-3x^3+x^2)

= 5x^2-10

5x^2-10 - ( x^2-3x+1)*5

= 5x^2-10 - ( 5x^2-15x+5)

= 15x-15

所以(x^4-3x^3+6x^2-10) = ( x^2-3x+1)*(x^2+5) + 15x-15

这个解答应该可行的,这个只用到多项式乘法的应用,应该很容易明白的