Question

In the following exercises, solve each equation. $(a-7)^2+5=55$ 

   In the following exercises, solve each equation.
 $(a-7)^2+5=55$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 9, Problem 31 ↓
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In the following exercises, solve each equation. $(a-7)^2+5=55$
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Transcript

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00:01 To begin this process, i need to isolate that thing that's squared.
00:04 So i'm going to take the 5 and move that to the other side first.
00:07 I now have a minus 7 squared, which is equal to 50.
00:11 From there, i am going to take the square root of both sides.
00:15 On the left, you have a minus 7, but on the right we have plus or minus...
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