Solve for b (b+7)^2=5

Math
(b+7)2=5
Take the square root of each side of the equation to set up the solution for b
(b+7)2⋅12=±5
Remove the perfect root factor b+7 under the radical to solve for b.
b+7=±5
The complete solution is the result of both the positive and negative portions of the solution.
Tap for more steps…
First, use the positive value of the ± to find the first solution.
b+7=5
Subtract 7 from both sides of the equation.
b=5-7
Next, use the negative value of the ± to find the second solution.
b+7=-5
Subtract 7 from both sides of the equation.
b=-5-7
The complete solution is the result of both the positive and negative portions of the solution.
b=5-7,-5-7
b=5-7,-5-7
The result can be shown in multiple forms.
Exact Form:
b=5-7,-5-7
Decimal Form:
b=-4.76393202…,-9.23606797…
Solve for b (b+7)^2=5

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