Solve for c 18^2+30^2=c^2

Math
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.
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Simplify the right side of the equation.
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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.
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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.
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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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