Respuesta :
Answer:
1)x=10
2)Substitution.
Step-by-step explanation:
x^2=100
Take the square root of both sides.
The square root of x^2 is x
The square root of 100 is 10
So x=10
Answer:
1)x=10
2)Substitution.
Step-by-step explanation:
x^2=100
Take the square root of both sides.
The square root of x^2 is x
The square root of 100 is 10
So x=10