若x²-8x+13=0.求x²-8x+15分之x四次方-6x三次方-2x²+18x+13的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/07 07:11:55
![若x²-8x+13=0.求x²-8x+15分之x四次方-6x三次方-2x²+18x+13的值](/uploads/image/z/660594-66-4.jpg?t=%E8%8B%A5x%26%23178%3B-8x%2B13%3D0.%E6%B1%82x%26%23178%3B-8x%2B15%E5%88%86%E4%B9%8Bx%E5%9B%9B%E6%AC%A1%E6%96%B9-6x%E4%B8%89%E6%AC%A1%E6%96%B9-2x%26%23178%3B%2B18x%2B13%E7%9A%84%E5%80%BC)
x){ѽBMZעB@&d!ӧmOvvW<=ٚϦ5x6*6k>i"}_`gCKWkCv
4m[ @kjk!khd.hvkl
JkjU0k38F 16`'FHZ5 L])5&aT$D
.}#() '
若x²-8x+13=0.求x²-8x+15分之x四次方-6x三次方-2x²+18x+13的值
若x²-8x+13=0.求x²-8x+15分之x四次方-6x三次方-2x²+18x+13的值
若x²-8x+13=0.求x²-8x+15分之x四次方-6x三次方-2x²+18x+13的值
(x四次方-6x三次方-2x²+18x+13)÷(x²-8x+15)
=[(x四次方-8x三次方+13x²)+(2x三次方-15x²+18x)-(x²-8x)]÷(x²-8x+13+2)
=[x²(x²-8x+13)+2x(x²-8x+13)]÷(0+2)
=0÷2=0
(x四次方-6x三次方-2x²+18x+13)/(x²-8x+15)
=[(x四次方-8x三次方+13x²)+2(x三次方-8x²+13x)+(x²-8x-13)]/(x²-8x+13+2)
=[x²(x²-8x+13)+2x(x²-8x+13)+(x²-8x-13)]/(x²-8x+13+2)
=(x²*0+2x*0+0)/(0+2)
=0/2
=0