Answer :
Answer:
X^2-11=70
X^2-11+11=70+11 Add 11 to both sides
x^2=70+11 Add 11 to 70
x^2=81 Now simplify
x=9
Step-by-step explanation:
Answer:
X^2-11=70
X^2-11+11=70+11 Add 11 to both sides
x^2=70+11 Add 11 to 70
x^2=81 Now simplify
x=9
Step-by-step explanation: