Rewrite the division as a fraction.
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Factor out of .
Cancel the common factor.
Rewrite the expression.
Factor out of .
Factor out of .
Factor out of .
Rewrite as .
Factor out of .
Rewrite as .
Move the negative in front of the fraction.
Split the fraction into two fractions.
Split the fraction into two fractions.
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Factor out of .
Cancel the common factors.
Multiply by .
Cancel the common factor.
Rewrite the expression.
Divide by .
Cancel the common factor.
Rewrite the expression.
Move the negative in front of the fraction.
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Divide (-14s^4t^2+7s^2t^2-18t)÷2s^2t