Factor out of .

Rewrite as .

Factor out of .

Simplify the expression.

Move a negative from the denominator of to the numerator.

Reorder terms.

Combine the numerators over the common denominator.

Factor out of .

Raise to the power of .

Factor out of .

Factor out of .

Factor out of .

Multiply by .

Subtract from .

Move to the left of .

Move the negative in front of the fraction.

Factor out of .

Rewrite as .

Factor out of .

Simplify the expression.

Rewrite as .

Move the negative in front of the fraction.

Multiply by .

Multiply by .

Add x/(4-9x)+(7x)/(9x-4)