# Solve for c 18^2+30^2=c^2 182+302=c2
Rewrite the equation as c2=182+302.
c2=182+302
Take the square root of both sides of the equation to eliminate the exponent on the left side.
c=±182+302
The complete solution is the result of both the positive and negative portions of the solution.
Simplify the right side of the equation.
Raise 18 to the power of 2.
c=±324+302
Raise 30 to the power of 2.
c=±324+900
Add 324 and 900.
c=±1224
Rewrite 1224 as 62⋅34.
Factor 36 out of 1224.
c=±36(34)
Rewrite 36 as 62.
c=±62⋅34
c=±62⋅34
Pull terms out from under the radical.
c=±634
c=±634
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.
c=634
Next, use the negative value of the ± to find the second solution.
c=-634
The complete solution is the result of both the positive and negative portions of the solution.
c=634,-634
c=634,-634
c=634,-634
The result can be shown in multiple forms.
Exact Form:
c=634,-634
Decimal Form:
c=34.98571136…,-34.98571136…
Solve for c 18^2+30^2=c^2

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