Factor out the

Multiply the numerator by the reciprocal of the denominator.

Multiply .

Multiply and .

Multiply by .

Apply the product rule to .

Raise to the power of .

Add to get the perfect square trinomial.

Apply the distributive property.

Simplify.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Find the Perfect Square Trinomial 49x^2+bx+9