Answer:
x - 9 = ± 9
Step-by-step explanation:
(x – 9)² = 81 Take the square root of both sides
x - 9 = ± 9
If this answer is correct, please make me Brainliest!
Answer:
x= 99
2
Step-by-step explanation:
(x−9)(2)=81
Step 1: Simplify both sides of the equation.
(x−9)(2)=81
(x)(2)+(−9)(2)=81(Distribute)
2x+−18=81
2x−18=81
Step 2: Add 18 to both sides.
2x−18+18=81+18
2x=99
Step 3: Divide both sides by 2.
2x
2
=
99
2
x=
99
2
