1.3x^2+7X-6
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1.3x^2+7X-6
2.3x^2-11x+6
3.2x^2-3x-20
4.2x^2-7x+6
5.2x^2-5xy+2y^2
因式分解
2.3x^2-11x+6
3.2x^2-3x-20
4.2x^2-7x+6
5.2x^2-5xy+2y^2
因式分解
1.3x^2+7X-6
=(3x-2)(x+3)
2.3x^2-11x+6
=(3x-2)(x-3)
3.2x^2-3x-20
=(2x+5)(x-4)
4.2x^2-7x+6
5.2x^2-5xy+2y^2
=(2x-y)(x-2y)
=(3x-2)(x+3)
2.3x^2-11x+6
=(3x-2)(x-3)
3.2x^2-3x-20
=(2x+5)(x-4)
4.2x^2-7x+6
5.2x^2-5xy+2y^2
=(2x-y)(x-2y)
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
2x+3x+4x+5x+x+6x+7x=100
1.3x^2+7X-6
先化简,再求值.1.3x³-【x³+(6x²-7x)】-2(x³-3x²
x+2x-3x-4x+5x+6x-7x.-196x+197x+198x-199x-200x 等于多少
计算:(x+7)(x-6)-(x-2)(x+2)
27046=2x( )+7x( )+4x( )+6x( )
(x+7)(x+6)-(x-2)(x+1)=?
2706=2x( )+7x( )+4x( )+6x( )
47026=4x()+7x()+2x()+6x()
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值