2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 07:14:25
![2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]](/uploads/image/z/1125528-24-8.jpg?t=2%EF%BC%88x%EF%BC%8By%29%EF%BC%8B%EF%BC%88%EF%B9%A35x%EF%BC%8B2y%EF%BC%89+%E5%90%88%E5%B9%B6%E5%90%8C%E7%B1%BB%E9%A1%B9+3X%26%23178%3B-%5B8X%EF%B9%A3%EF%BC%885X%EF%B9%A32%29%EF%B9%A37X%26%23178%3B%5D)
2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
原式=2x+2y-5x+2y
=-3x+4y
原式=3x²-(8x-5x+2-7x²)
=3x²-(3x+2-7x²)
=3x²-3x-2+7x²
=10x²-3x-2
2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
合并同类二次根式6√xy - 2√xy³ + 5√x³y - √x/y + √y/x (x>0,y>0)
把(x+y),(x-y)个作为一个整体合并同类项1,7(x+y)-2(x+y)-4(x+y)+2(x+y)2,(x-y)²+2(x-y)-(x-y)-2(x-y)²
合并同类项 2(x-2y)的平方-7(x+2y)的立方-3(2y-x)的平方+5(x+2合并同类项 2(x-2y)的平方-7(x+2y)的立方-3(2y-x)的平方+5(x+2y)的立方
合并同类项5(x-y)+2(x-y)-3(x-y)
合并同类项 5(x-y)的平方+2(x-y)-4(x-y)
三道三道.把(x-y)看成一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=()写出-五分之三a的四次方b的三次方c的同类项(至少写三个)已知多项式3-2x的二次方+5x的二次方+x的二次方-8,先合并同类
合并同类项:-3x+2y-5x-7y
3x+2y-5(x+y)合并同类项
-x-5y+3x-2y合并同类项.
2x-3y+5x+7y合并同类项
合并同类项3(x-y)^4-(2(x-y)^4-5(X-Y)^4)-(X-Y)^4合并同类项3(x-y)^4-(2(x-y)^4-5(X-Y)^4)-(X-Y)^4
把(x-y)看作一个整体,合并同类项:5(x-y)+2(x-y)-4(x-y)=______.
3(x-y)-2(x+y)-5(x-y)+4(x+y)+3(x-y) 化简合并同类项
合并同类项:2x-[2﹙x+3y﹚-3﹙x-2y﹚]
先将下列多项式中的同类合并,再求出多项式的值!2x²-3xy+y²-2xy-2x²+5xy-2y+1其中x=7分之22 y=-1
把(x-y),(a+b)作为一个因式,合并同类项:3(x-y)-9(x-y)-8(x-y)+6(x-y)-1
合并同类项 2(x-y)+1/2(x-y)-3(y-x)