Solve for n ((n-2)*180)/n=72

Math
Factor each term.
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Move to the left of .
Multiply by .
Solve for .
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Multiply each term by and simplify.
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Multiply each term in by .
Simplify .
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Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Apply the distributive property.
Multiply by .
Move all terms containing to the left side of the equation.
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Subtract from both sides of the equation.
Subtract from .
Add to both sides of the equation.
Divide each term by and simplify.
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Divide each term in by .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Cancel the common factor of and .
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Factor out of .
Cancel the common factors.
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Factor out of .
Cancel the common factor.
Rewrite the expression.
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form:
Solve for n ((n-2)*180)/n=72

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