1)X^2+4X+8=4X+11 2)X(2X
4个回答
X^2+4X+8=4X+11
X²=3
X=-√3,X=√3
相关问题
用公式法解下列方程(1)x^2-根号2x-1/4=0 (2)x^2+4x+8=2x+11 (3)x(x-4)=2-8x
用公式法解下列方程(1)x^2-根号2x-1/4=0 (2)x^2+4x+8=2x+11 (3)x(x-4)=2-8x
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方程x2+4x+8=4x+11等于?