Tìm x, biết:
a. \(\left(2x-3\right)^2-4=0\)
b.\(x^2-2x=0\)
c.\(\left(2x-1\right)^2+\left(x+3\right)^2-5\left(x+7\right)\left(x-7\right)=0\)
Loga
Toán lớp 8
Tìm x, biết:
a. \(\left(2x-3\right)^2-4=0\)
b.\(x^2-2x=0\)
c.\(\left(2x-1\right)^2+\left(x+3\right)^2-5\left(x+7\right)\left(x-7\right)=0\)
