150****4196
2022-05-16 13:24
（1）5b(2a-b)³+15(b-2a)²
=5b(2a-b)³+15(2a-b)²
=5(2a开发者_StackOverflow中文版-b)²[b(2a-b)+3]
=5(2a-b)²(2ab-b²+3)
(2)(2a+3b)²-36(a-2b)²
=(2a+3b)²-(6a-12b)²
=(2a+3b+6a-12b)(2a+3b-6a+12b)
=(8a-9b)(15b-4a)
(3)3x²-2x-8
=(3x+4)(x-2)
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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