Complete the square to form a true equation. x^2 -4x + __= (x-__)^2. Simplify your answer.
Added by Robert Y.
Step 1
Take half of the coefficient of x, which is -4/2 = -2. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Manisha Sarker and 91 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Complete the square. $$ x^{2}+4 x+ $$
Quadratic Equations And Functions
Completing the Square
Complete the square to make each a perfect-square trinomial. $$x^{2}-4 x$$
Equations and Inequalities
Quadratic Equations
Complete the square. $$x 2-4 x+?=(x-?) 2$$
Solving Quadratic Equations and Graphing Parabolas
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Watch the video solution with this free unlock.
EMAIL
PASSWORD