Respuesta :
think about two numbers that will get 25:
think about two numbers that will get 10
use the 5 times tables
5*5= 25
Use 5+5= 10
x^2+10x-25= 0
(x+5)(x+5)= 0
x+5= 0 , x+5= 0
x+5-5= 0-5
x= -5
x+5-5= 0-5
x= -5
Answer :
only x= 5
think about two numbers that will get 25:
think about two numbers that will get 10
use the 5 times tables
5*5= 25
Use 5+5= 10
x^2+10x-25= 0
(x+5)(x+5)= 0
x+5= 0 , x+5= 0
x+5-5= 0-5
x= -5
x+5-5= 0-5
x= -5
Answer :
only x= 5
