標題:
maths因式分解
1. (x-1)*2-(x+1)*2 2.(25p*2-60p+36)-25y*2 3.4p*4-16x*2y*2+q*4+4p*2q*2
最佳解答:
1. (x-1)*2-(x+1)*2 = [ (x-1)+(x+1) ][ (x-1)-(x+1) ] = 2x(-2) = -4x 2. (25p*2-60p+36)-25y*2 = (5p-6)*2 - (5y)*2 = [5p-6-5y][5p-6+5y] 3.4p*4-16x*2y*2+q*4+4p*2q*2 = 4p*4 + 4p*2 q*2 + q*4 - 16x*2 y*2 = (2p*2 + q*2)*2 - (4xy)*2 = (2p*2+q*2-4xy)(2p*2+q*2+4xy)
其他解答:
maths因式分解
此文章來自奇摩知識+如有不便請留言告知
發問:1. (x-1)*2-(x+1)*2 2.(25p*2-60p+36)-25y*2 3.4p*4-16x*2y*2+q*4+4p*2q*2
最佳解答:
1. (x-1)*2-(x+1)*2 = [ (x-1)+(x+1) ][ (x-1)-(x+1) ] = 2x(-2) = -4x 2. (25p*2-60p+36)-25y*2 = (5p-6)*2 - (5y)*2 = [5p-6-5y][5p-6+5y] 3.4p*4-16x*2y*2+q*4+4p*2q*2 = 4p*4 + 4p*2 q*2 + q*4 - 16x*2 y*2 = (2p*2 + q*2)*2 - (4xy)*2 = (2p*2+q*2-4xy)(2p*2+q*2+4xy)
其他解答:
文章標籤
全站熱搜
留言列表