Answer:
Eric is 2 years old while his father is 35 years old
Step-by-step explanation:
Let x be Eric's age
Let 33+x be father's age
x(33+x)=70
x²+33x-70=0
(x-2)(x+35)= 0
x-2=0
x=2
x+35=0
x=-35
Age cannot be negative so:
Eric is 2 years old
33+2=35
Father is 35 years old
Check:
35-2=33
35×2=70