Answer:
a = 1
Step-by-step explanation:
First, you subtract 6 from both sides and you end up with a² = 1. Since one cannot be squared or square rooted, a = 1. I hope this helps!
Answer:
Step-by-step explanation:
7(x-5)²=63
(x-5)²=63/7
(x-5) = +/- 3
x = 5 + 3
or
x = 5- 3
x = 8 or 2