x^2-5x+6=0怎么解答
X^2-5X+6=0\u89e3\u65b9\u7a0b\u6b65\u9aa4X^2-5X+6=(x-2)(x-3)=0
\u5219x=2,\u6216x=3.
x^2+5x+6=\uff08x+2)(x+3)=0\u6240\u4ee5\u67092\u89e3x=-2\u6216\u8005x=-3
用因式分解：(x+1)(x-6)=0
x-1=0,x-6=0
x=1,或x=6
(x+1)*(x-6)=0
绛旓細鐢ㄥ洜寮忓垎瑙ｏ細(x+1)(x-6)=0 x-1=0,x-6=0 x=1,鎴杧=6
绛旓細x^2-5x+6=0 鏂规硶涓锛氱敤鍗佸瓧鐩镐箻娉,鎶6鍒嗘垚-2鍜-3锛堝洜涓-2鍜-3涔嬪拰鍒氬ソ鏄-5锛夋墍浠(x-2)(x-3)=0 鎵浠1=2,x2=3 鏂规硶浜岋細鐢ㄩ厤鏂规硶锛歺^2-5x+6=0 x^2-5x+25/4-25/4+6=0 (x-5/2)^2=1/4 x1=2,x2=3
绛旓細x^2-5x+6=0 1 -3 -6 1 -2 -1 鍗佸瓧鐩镐箻娉,灏0娆″箓鍥犳暟鍒嗚В锛6=锛-2锛墄锛-3锛夋垨6=锛-1锛墄锛-6锛,灏2娆″箓鍥犳暟鍒嗚В锛1=1x1 鍗佸瓧鐩镐箻锛岋紙-2锛墄1+(-3)x1=-5 鏁(x-3)(x-2)=0 x=2 x=3
绛旓細(x-2)(x-3)=0 x-2=0 鎴 x-3=0 x1=2 x2=3
绛旓細閭ｄ箞鍙互鐩存帴鍐欐垚缁撴灉:ax²+bx+c=(a1x+c1锛変箻锛坅2x+c2)銆傚湪杩愮敤杩欑鏂规硶鍒嗚В鍥犲紡鏃讹紝瑕佹敞鎰忚瀵燂紝灏濊瘯锛屽苟浣撲細瀹冨疄璐ㄦ槸浜岄」寮忎箻娉曠殑閫嗚繃绋嬨傚綋棣栭」绯绘暟涓嶆槸1鏃讹紝寰寰闇瑕佸娆¤瘯楠岋紝鍔″繀娉ㄦ剰鍚勯」绯绘暟鐨勭鍙枫傚熀鏈紡瀛愶細x²+(p+q)x+pq=(x+p)(x+q)銆
绛旓細鐢ㄥ崄瀛楃浉涔樻硶銆x^2-5x+6=0 (x-3)(x-2)=0 瑙ｅ緱x=3 鎴杧=2銆
绛旓細x²-5x=6 x²-5x-6=0 (x-6)(x+1)=0 x-6=0鎴杧+1=0 x1=6 x2=-1 鍥剧墖鏍煎紡涓猴細
绛旓細x^2-5x+6=0 (x-3)(x-2)=0 x=2锛寈=3 濡傛湁甯姪璇烽噰绾筹紝濡傚鏈鏈夌枒闂彲杩介棶锛孏ood luck!
绛旓細(1)+(2)=-5x . .. .. .绾 绾 鍚 鍚 鐩 鐩 涔 涔 x2 -6 鈭碭²-5X-6=0 (X-6)(X+1)=0 涓ゆ暟鐩镐箻锛屽叾涓竴涓负0锛岀粨鏋滃氨绛変簬0浜 鈭碭-6=0锛孹1=6;鎴朮+1=0锛X2=-1 缁间笂鎵杩帮細X²-5X-6=0鐨勮В涓篨1=6鎴朮2=-1 ...
绛旓細(x - 6)锛屾墍浠ュ彲浠ユ彁鍙栧嚭鏉ワ細(x - 6)(x + 1) = 0 杩欏氨鏄柟绋嬬殑鍥犲紡鍒嗚В褰㈠紡銆傜幇鍦紝鎴戜滑鍙互瑙ｅ嚭 x 鐨勫硷細1. x - 6 = 0锛岃В寰 x = 6銆2. x + 1 = 0锛岃В寰 x = -1銆傛墍浠ワ紝鏂圭▼ x^2 - 5x - 6 = 0 鐨勮В鏄 x = 6 鍜 x = -1銆
