(2x+1)(3x-2)

来源：百度知道编辑：UC知道时间：2024/06/25 08:11:45

(2x+1)(3x-2)

(4a^2+2a+1)(2a-1)

(2x-3y)(2x+3y)

(3x-1/2)(-1/2-3x)(-1/4-9x^2)

(-a-2b)^2

(2a-3b+1)^2

2m^2(-2mn)*(-1/2m^2n^3)

(-4a^2b)*(-2ab)^3*(1/8ab)

-3x(4x^2-1/3x+2)

(-2/3a)(1/2a^2+1/6a-1/4)

(2x+1)(3x-2)
=6x^2-4x+3x-2
=6x^2-x-2

(4a^2+2a+1)(2a-1)
=(2a)^3-1
=8a^3-1

(2x-3y)(2x+3y)
=4x^2-9y^2

(3x-1/2)(-1/2-3x)(-1/4-9x^2)
=-(9x^2-1/4)(-1/4-9x^2)
=81x^2-1/16

(-a-2b)^2
=a^2+4ab+4b^2

(2a-3b+1)^2
=4a^2+9b^2+1-12ab+4a-6b

2m^2(-2mn)*(-1/2m^2n^3)
=2m^5n^4

(-4a^2b)*(-2ab)^3*(1/8ab)
=2a^6b^5

-3x(4x^2-1/3x+2)
=-12x^3+x^2-6x

(-2/3a)(1/2a^2+1/6a-1/4)
=(-a/18)(6a^2+2a-3)

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1+x+x^2+x^3=0 ,求x+x^2+x^3+...+x^2000 X*X-2X-1＝0 求2x*x*x-3*x*x-4*x+2 分解公因式(1+X)+X(1+X)+X(1+X)^2+X(1+X)^3+...+X(1+X)^99 (x-1) (x平方-3X+2) 解方程(x+1)(x+2)(x+3)(x+4)=(x+1)(x+1)+(x+2)(x+2)+(x+3)(x+3)+(x+4)(x+4) (x+1)(x+2)(x+3)(x+4)=(x+1)(x+1)+(x+2)(x+2)+(x+3)(x+3)+(x+4)(x+4) (X^2-X+1)^2-3(X^2-X)-7 2|x|+|x+1|--|3--x|=2x+4 (x-2)(x+2)-(x-1)(x-3) （x-2)(x+2)-(x+1)(x-3)