Final Answer
Step-by-step Solution
Specify the solving method
Group the terms of the equation by moving the terms that have the variable $x$ to the left side, and those that do not have it to the right side
Learn how to solve quadratic equations problems step by step online.
$8x^2+4x-x^2=7$
Learn how to solve quadratic equations problems step by step online. Solve the quadratic equation 8x^2+4x+-7=x^2. Group the terms of the equation by moving the terms that have the variable x to the left side, and those that do not have it to the right side. Combining like terms 8x^2 and -x^2. Rewrite the equation. Use the complete the square method to factor the trinomial of the form ax^2+bx+c. Take common factor a (7) to all terms.