分解因式:2a²-4a-16y^4-y²-72
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 03:45:10
![分解因式:2a²-4a-16y^4-y²-72](/uploads/image/z/8668293-69-3.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9A2a%26%23178%3B-4a-16y%5E4-y%26%23178%3B-72)
分解因式:2a²-4a-16y^4-y²-72
分解因式:2a²-4a-16
y^4-y²-72
分解因式:2a²-4a-16y^4-y²-72
原式=2(a²-2a-8)
=2(a+2)(a-4)
原式=(y²+8)(y²-9)
=(y²+8)(y+3)(y-3)
2a²-4a-16
=2(a²-2a-8)
=2(a-4)(a+2)
y^4-y²-72
=(y²-9)(y²-8)
=(y+3)(y-3)(y²-8)