因式分解:⑴2a²-4a⑵x²-25⑶2x²-12x+18
问题描述:
因式分解:⑴2a²-4a⑵x²-25⑶2x²-12x+18
答
2a(a-2)
(x-5)(x+5)
2(x-3)²
因式分解:⑴2a²-4a⑵x²-25⑶2x²-12x+18
2a(a-2)
(x-5)(x+5)
2(x-3)²