Cancel the common factor of .

Factor out of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Combine and .

Multiply by .

Cancel the common factor of and .

Rewrite as .

Cancel the common factors.

Rewrite as .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Divide by .

Add and .

Rewrite the expression using the negative exponent rule .

Multiply the numerator by the reciprocal of the denominator.

Multiply and .

Divide each term in by .

Simplify .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Cancel the common factor.

Divide by .

Simplify .

Multiply the numerator by the reciprocal of the denominator.

Multiply and .

Reorder factors in .

Solve for t pmt=(306680(7.1/12))/(1-(1+7.1/12)^(-12*17))