Write down the problem. After you enter the expression Algebra Calculator will solve the equation 4x72x1 for x to get x-3. I just cannot think of a way to solve this type of problem.
Solving Equations Video Lesson Khan Academy Video.
Check whether your cubic contains a constant a d displaystyle d value. We can verify that our answer is correct by substituting our value back into the original equation. Because 4622116 and 55382090 and 2116-209026. You need to take the numbers the represent a b and c and insert them into the equation.