(79-23)÷(-156)

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

ax2+bx+c

A mixed number is an addition of its whole and fractional parts.

79-23-(1+56)

Add 1 and 56.

Write 1 as a fraction with a common denominator.

79-23-(66+56)

Combine the numerators over the common denominator.

79-23-6+56

Add 6 and 5.

79-23-116

79-23-116

79-23-116

Multiply the numerator by the reciprocal of the denominator.

(79-23)(-611)

To write -23 as a fraction with a common denominator, multiply by 33.

(79-23⋅33)(-611)

Multiply 23 and 33.

(79-2⋅33⋅3)(-611)

Multiply 3 by 3.

(79-2⋅39)(-611)

(79-2⋅39)(-611)

Combine the numerators over the common denominator.

7-2⋅39(-611)

Multiply -2 by 3.

7-69(-611)

Subtract 6 from 7.

19(-611)

19(-611)

Move the leading negative in -611 into the numerator.

19⋅-611

Factor 3 out of 9.

13(3)⋅-611

Factor 3 out of -6.

13⋅3⋅3⋅-211

Cancel the common factor.

13⋅3⋅3⋅-211

Rewrite the expression.

13⋅-211

13⋅-211

Multiply 13 and -211.

-23⋅11

Multiply 3 by 11.

-233

Move the negative in front of the fraction.

-233

-233

Rewrite in Standard Form (7/9-2/3)÷(-1 5/6)