4(x+y)∧2-25(2) 4a∧2-(a∧2+1)2求过程www分解因式wwww

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 16:20:30
4(x+y)∧2-25(2) 4a∧2-(a∧2+1)2求过程www分解因式wwww

4(x+y)∧2-25(2) 4a∧2-(a∧2+1)2求过程www分解因式wwww
4(x+y)∧2-25
(2) 4a∧2-(a∧2+1)2
求过程www分解因式wwww

4(x+y)∧2-25(2) 4a∧2-(a∧2+1)2求过程www分解因式wwww
4(x+y)²-25
原式=[2(x+y)]²-5²
=(2x+2y-5)(2x+2y+5)
4a²-(a²+1)²
原式=(2a+a²+1)(2a-a²-1)
=-(a²+2a+1)(a²-2a+1)
=-(a+1)²(a-1)²
【中学生数理化】团队wdxf4444为您解答!

(1)=(2x+2y+5)(2x+2y-5)
(2)=(2a+a²+1)(2a-a²-1)
= -(a+1)²(a-1)²

4(x+y)²-25
=[2(x+y)]²-5²
=(2(x+y)-5)(2(x+y)+5)
=(2x+2y-5)(2x+2y+5)

(1)原式=[2(x+y)]²-5²
=[2(x+y)+5][2(x+y)-5]
=(2x+2y+5)(2x+2y-5)
(2)原式=(2a)²-(a²+1)²
=(2a+a²+1)(2a-a²-1)
=(a²+2a+1)[-(a²-2a+1)
=(a+1)²×[-(a-1)²]
=-(a+1)²(a-1)²

a(x+y)^2+4a-4a(x+y) (2x+y)(2x-3y)+x(2y+y) 2a(x-y)-4b(x-y) -4(x+y)^2+4a(x+y)-a^2 因式分解:a(x-y)^2+b(y-x)^3 4(x-y)^2+8(y-x)(x+y)1.a(x-y)^2+b(y-x)^3 2.4(x-y)^2+8(y-x)(x+y) 因式分解-5a^2+25a;25x^2-16y^2;x^3-25x;x^2(x-y)+y^2(y-x);x^2y^4-16x^2;(a+b)^2+2(a+b)+1 因式分解 (x-y)^2-4(x-y)-a^2+4 因式分解:a²(x-y)²-2a(y-x)³+(x-y)^4 因式分解:4a(x-y)-2b(x-y) 4a(x-y)-2b(y-x) 4a(x-y)-2b(y-x) 把下列各式因式分解 (1)、a^2(x-y)-4a(y-x)+4(x-y) (2)、(x+y)(x-y)-(x+z)(x-z) 1) (x+y)^2-(x+y)^3 2) (x-y)^2-(x-y)^3 3)(x-y)^2-(y-x)^3 因式分解因式分解 1) (x+y)^2-(x+y)^3 2) (x-y)^2-(x-y)^3 3) (x-y)^2-(y-x)^3 4) 2(x-y)-3(y-x)^25) 4ab(a+b)^2-6a^2b(a+b) 6) (x+y)^2(x-y)+(x+y)(x-y)^2 7) 2a(a-3)^2-6a^ 1) (2x+5y)(2x-5y)(-4x^2-25y^2) 2) [(x+y)(x-y)-(x-y)^2+2y(x-y)]÷4y 3)整式乘除 3)(a+b)^2-2a(b+1)-a^2b÷ab 4)(a^2+3)(a-3)-a(a^2-2a-2) [1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1 【3】一(a-x)(a-y)-x(y-a)(X-a)[1]a(x-2y)-b(2y-x)+d(2x-4y) [2]x平方-2xy+y平方-2x+2y+1【3】一(a-x)(a-y)-x(y-a)(X-a) 分解因式,急求! 因式分解:25a(x-2y)^3+4a(2y-x) 1(x-3x-1)(x+3y-1)2(3x-2y+1/4)²3(a+b)²-(a-b)²4 [2x²-(x+y)(x-y)][(-x-y)×(y-x)+2y²],其中x=1 y=25[(0.5x-y)²+(0.5x+y)²](0.5x²-2y²)6(a+3b)²-2(a+3b)(a-3b)+(a-3b)²7 计算 (-x+y)∧4×(x-y)∧2×(y-x)∧3 (x+a)(x+b)=x∧2+(a+b)x+ab(a,b为常数) 利用上述规律计算:(1): (x+5)(x-4) (2): (x∧2+y)(x∧2-3y)