因式分解(7x^2+5x)/(x^+1) - 5x/(x^2-6)

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/13 14:59:56

原式=(7x^4-42x²+5x³-30x-5x³-5x)/(x²+1)(x²-6)
=(7x^4-42x²-35x)/(x²+1)(x²-6)
=7x(x³-6x-5)/(x²+1)(x²-6)
=7x(x³+x²-x²-6x-5)/(x²+1)(x²-6)
=7x[x²(x+1)-(x+1)(x-6)]/(x²+1)(x²-6)
=7x(x+1)(x²-x+6)/(x²+1)(x²-6)

（x+1)(x+2)(x+5)(x+7)+15 因式分解因式分解 (x+1)(x+2)(x+5)(x+7)+15 因式分解(7x^2+5x)/(x^+1) - 5x/(x^2-6) 因式分解：6x^2-7x-5 因式分解(x^5+x^4+5x^2+5x+6)/(x^2+x+1) 因式分解：x^9+x^8-x^6-x^5+x^3+x^2-1 因式分解:x(x-1)(x-2)-6 因式分解x^6+3X^5+5x^4+3X^3-2x^2-1 (x^2+5x+9)(x^2-3x+7)-3(4x+1)因式分解因式分解：x^2-5x-6 x^4+5x^2-6因式分解因式分解-3x^2+5x+1