将下列多项式分解因式(1)25x²-36 (2)am+bm-cm (3)64-16a+a² (4)2(x-y)+a(x-y) (5)0.49x²-0.04y² (6)-4a²b²=4ab-1 (7)-3a²x+12ax³ (8)m³n-2m²n²+mn³
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![将下列多项式分解因式(1)25x²-36 (2)am+bm-cm (3)64-16a+a² (4)2(x-y)+a(x-y) (5)0.49x²-0.04y² (6)-4a²b²=4ab-1 (7)-3a²x+12ax³ (8)m³n-2m²n²+mn³](/uploads/image/z/12958150-22-0.jpg?t=%E5%B0%86%E4%B8%8B%E5%88%97%E5%A4%9A%E9%A1%B9%E5%BC%8F%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%881%EF%BC%8925x%26%23178%3B-36+%EF%BC%882%EF%BC%89am%2Bbm-cm+%EF%BC%883%EF%BC%8964-16a%2Ba%26%23178%3B+%EF%BC%884%EF%BC%892%EF%BC%88x-y%EF%BC%89%2Ba%EF%BC%88x-y%EF%BC%89+%EF%BC%885%EF%BC%890.49x%26%23178%3B-0.04y%26%23178%3B+%EF%BC%886%EF%BC%89-4a%26%23178%3Bb%26%23178%3B%3D4ab-1+%EF%BC%887%EF%BC%89-3a%26%23178%3Bx%2B12ax%26%23179%3B+%EF%BC%888%EF%BC%89m%26%23179%3Bn-2m%26%23178%3Bn%26%23178%3B%2Bmn%26%23179%3B)
将下列多项式分解因式(1)25x²-36 (2)am+bm-cm (3)64-16a+a² (4)2(x-y)+a(x-y) (5)0.49x²-0.04y² (6)-4a²b²=4ab-1 (7)-3a²x+12ax³ (8)m³n-2m²n²+mn³
将下列多项式分解因式
(1)25x²-36 (2)am+bm-cm (3)64-16a+a² (4)2(x-y)+a(x-y) (5)0.49x²-0.04y² (6)-4a²b²=4ab-1 (7)-3a²x+12ax³ (8)m³n-2m²n²+mn³
将下列多项式分解因式(1)25x²-36 (2)am+bm-cm (3)64-16a+a² (4)2(x-y)+a(x-y) (5)0.49x²-0.04y² (6)-4a²b²=4ab-1 (7)-3a²x+12ax³ (8)m³n-2m²n²+mn³
(1)25x²-36=(5x+6)(5x-6)
(2)am+bm-cm=m(a+b-c)
(3)64-16a+a²=(a-8)²
(4)2(x-y)+a(x-y)=(x-y)(2+a)
(5)0.49x²-0.04y² =(0.7x+0.2y)(0.7x-0.2y)
(6)-4a²b²+4ab-1=-(4a²b²-4ab+1)=-(2ab-1)²
(7)-3a²x+12ax³ =-3ax(a-4x²)
(8)m³n-2m²n²+mn³=mn(m²-2mn+n²)=mn(m-n)²
愿对你有所帮助!