解答两道方程题目(1)3x²=2x (2) (x+4)²=5(x+4)(1)3x²=2x (2) (x+4)²=5(x+4)
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解答两道方程题目(1)3x²=2x (2) (x+4)²=5(x+4)(1)3x²=2x (2) (x+4)²=5(x+4)
解答两道方程题目(1)3x²=2x (2) (x+4)²=5(x+4)
(1)3x²=2x (2) (x+4)²=5(x+4)
解答两道方程题目(1)3x²=2x (2) (x+4)²=5(x+4)(1)3x²=2x (2) (x+4)²=5(x+4)
1)3x^2-2x=0
x(3x-2)=0
x=0,2/3
2) (x+4)^2-5(x+4)=0
(x+4)(x+4-5)=0
(x+4)(x-1)=0
x=-4,1