(7a-8b)(a-2b)+(a-8b)(a-2b)因式分解
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 17:53:41
x)0OԵHH5J@<m//I*ǣ,^Ά$m*bq`kE
:#L9=F(A5@≺f5,0,dRY-Own~6m'TDIbI\=P50F@F%6yv r
(7a-8b)(a-2b)+(a-8b)(a-2b)因式分解
(7a-8b)(a-2b)+(a-8b)(a-2b)
因式分解
(7a-8b)(a-2b)+(a-8b)(a-2b)因式分解
=[6a+(a-8b)](a-2b)+(a-8b)(a-2b)
=6a(a-2b)+(a-8b)(a-2b)+(a-8b)(a-2b)
=6a(a-2b)+2(a-8b)(a-2b)
=[6a+2(a-8b)](a-2b)
=(6a+2a-16b)(a-2b)
=(8a-16b)(a-2b)
=8乘以(a-2b)的平方
=8(a平方-4ab+4b的平方)
=8a平方-32ab+32b的平方
2(a+3b)²-8(a+b)(a-b)-(a+3b)(a-b)
(7a-8b)(a-2b)+(a-8b)(a-2b)因式分解
(3a+4b)(7a-8b)+(11a+2b)(8a-7a)
3(a-b)的平方-7(a-b)+8(a-b)的平方+6(a-b) a-b=2
初二分式的加减法2a-b-c/(a-b)(a-c)+ 2b-c-a/(b-c)(b-a)+ 2c-b-a/(c-b)(c-a)3a-6b/a+b- 5a-6b/a-b- 4a-5b/a+b+ 7a-8b/b-a注:有空格的地方是下一个分式
1/(a-b)-1/(a+b)-(2b)/(a^2+b^2)-(4b^3)/(a^4+b^4)+(8b^7)/(b^8-a^8)快
1/a-b-1/a+b-2b/a^2+b^2-4b^3/a^4+b^4+8b^7/b^2-a^2
5(a*a*b-3*a*a*b)-2*(a*a*b-7*a*b*b)
8(a-b)^-2(b-a) 因式分解
因式分解:2(a+b)(a+b)+8
(3a-6b)/(a+b) - (5a-6b)/(a-b) - (4a-5b)/(a+b) - (7a-8b)/(a-b) 快
(3a-6b/a+b)-(5a-6b/a-b)-(4a-5b/a+b)-(7a-8b/b-a)
计算:(4a-b)^2-[8a*(a-b)-(3a-b)*(3a+b)]
1/(a-b)-1/(a+b)-2b/(a^2+b^2)-4b^3/a^4+b^4+8b^7/b^8-a^81/(a-b)-1/(a+b)-2b/(a^2+b^2)-4b^3/(a^4+b^4)+8b^7/(b^8-a^8)
-2a(a+b)+b(a+b)
(3a-4b)(7a-8b)+(11a-12b)(8b-7a)
2(A-B)-3(2A+B)-8(2A-B)+8(2A+B)
7(a-b)²+8(a+b)²-9(a-b)²-4(a+b)²