Final answer to the problem
Step-by-step Solution
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Use the complete the square method to factor the trinomial of the form $ax^2+bx+c$. Take common factor $a$ ($-1$) to all terms
Learn how to solve rationalisation problems step by step online.
$\frac{1}{\sqrt{-\left(x^2-4x-5\right)}}$
Learn how to solve rationalisation problems step by step online. Rationalize the denominator 1/((5+4x-x^2)^1/2). Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (-1) to all terms. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+-4xx+4. Subtract the values -5 and -4.