Question

Tìm x: \(\left(x-5\right)^2=25\)

 

Answer 1

TH1\(\left(x-5\right)^2=5^2\)

\(\Rightarrow\left(x-5\right)=5\)

\(\Rightarrow x=5+5=10\)

TH2 \(\left(x-5\right)^2=\left(-5\right)^2\)

\(\Rightarrow\left(x-5\right)=\left(-5\right)\)

\(\Rightarrow x=\left(-5\right)+5=0\)

Vậy x=0 và x=10

Answer 2

BAN BIET MA SAO CON HOI NUA

Answer 3

HUY RIO BIET CAU NAY KHONG GIUP MINH DI:

TIM GIA TRIN NHO NHAT : a= 3*(X+5)^2 +1

Answer 4

THEO MINH NGHI LA X=0;X=10

Answer 5

(x-5)²=25

x-5=5

x=0