![]() ![]() You can find the values for which this quadratic equation equals 0, so the equation has one or two answers. Graph of quadratic equation is added for better visual understanding. Step by step solution of quadratic equation using quadratic formula and completing the square method. Now, divide the whole equation by a, such that the coefficient of x 2 is 1. Just enter a, b and c values to get the solutions of your quadratic equation instantly. Solve the portion in parentheses with the quadratic formula if you can’t factor it manually. To solve the quadratic equation using completing the square method, follow the below given steps. This article has been viewed 1,096,955 times. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. ![]() There are 10 references cited in this article, which can be found at the bottom of the page. Additionally, David has worked as an instructor for online videos for textbook companies such as Larson Texts, Big Ideas Learning, and Big Ideas Math. After attaining a perfect 800 math score and a 690 English score on the SAT, David was awarded the Dickinson Scholarship from the University of Miami, where he graduated with a Bachelor’s degree in Business Administration. With over 10 years of teaching experience, David works with students of all ages and grades in various subjects, as well as college admissions counseling and test preparation for the SAT, ACT, ISEE, and more. Step 1: Divide the equation by the number in front of the square term. Example 04: Solve equation 2x2 + 8x - 10 0 by completing the square. David Jia is an Academic Tutor and the Founder of LA Math Tutoring, a private tutoring company based in Los Angeles, California. This method can be used to solve all types of quadratic equations, although it can be complicated for some types of equations. Our calculator provides immediate solutions, allowing users to quickly move on to other tasks or verify their manual calculations without delay.This article was co-authored by David Jia and by wikiHow staff writer, Christopher M. We've developed a simple and intuitive interface that even those new to quadratic equations can easily navigate. Whether your equation has real or complex roots, our tool delivers the correct solution. Our calculator is equipped with advanced algorithms that ensure the results are accurate every time. Why Choose Our Quadratic Equation Calculator?
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