49(x-2)2-25(x-3)2

49(x-2)눀-25(x-3)눀 答案。。
2025-02-19 07:17:07
推荐回答(2个)
回答1:

=[7(x-2)+5(x-3)][7(x-2)-5(x-3)]
=(12x-29)(2x+1)
=24x²+12x-58x-29
=24x²-46x-29

回答2:

49(x-2)²-25(x-3)² =24x²-10x-116