x2=7-4

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x=±7-4

Subtract 4 from 7.

x=±3

The complete solution is the result of both the positive and negative portions of the solution.

First, use the positive value of the ± to find the first solution.

x=3

Next, use the negative value of the ± to find the second solution.

x=-3

The complete solution is the result of both the positive and negative portions of the solution.

x=3,-3

x=3,-3

x=3,-3

The result can be shown in multiple forms.

Exact Form:

x=3,-3

Decimal Form:

x=1.73205080…,-1.73205080…

Solve Using the Square Root Property x^2=7-4