Question

Tìm x :

a/ \(\sqrt{4x^2-4x+1}=3\)

b/ \(\sqrt{4\left(3-x\right)^2}-20=0\)

c/ \(\sqrt{9\left(x-1\right)^2}-12=0\)

d/ \(\sqrt{x^2+4x+4}=|-25|\)

e/ \(\sqrt{x^2-6x+9}-2=|14|\)

nhờ mn giúp mk nhé

Answer 1