(X+1)²=100 解方程带过程 (x-1)²=3 带步骤解方程
\u89e3\u65b9\u7a0b \uff08x\uff0d1\uff09²\uff0b(x\uff0b1)²\uff1d100\u89e3\uff1a\u539f\u5f0f(x-1)²=3\u4e24\u8fb9\u540c\u65f6\u5f00\u65b9
\u5219\u6709x-1=\u00b1\u221a3
x=1-\u221a3\uff0cx=1+\u221a3
\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u4f60\u54e6\uff01\uff01\uff01
x=9或x=-11
(X+1)²=100解方程带过程
解:
(X+1)²=100
即:
(X+1)²=10²
即:
(X+1)=10
x=10-1
x=9
(X+1)²=100
解:x+1=±10
x1=10-1=9
x2=-10-1=-11
两边同时开根号。。X+1=±10
移项。。。。。。。。X=1±10
合并同类项。。。。。X₁=11 , X₂=9
(x+1)^2=100
x+1=10 or -10
x=9 or -11
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