Question

tìm x [ ( x²+54)-32]*2=244

Answer 1

[(x^2+54)-32]*2=244
(x^2+54)-32=244/2
(x^2+54)-32=122
x^2+54=122+32
x^2+54=154
x^2=154-54
x^2=100
=> x=10 hoặc x=-10

Answer 2

[(x²+54)-32]*2=244

(x²+54)-32=244/2

(x²+54)-32=122

x²+54=122+32

x²+54=154

x²=154-54

x²=100=10²

=>x=10