Solve Quadratic Equation 2x^2 + 6x - 1 = 0 Using Quadratic Formula

Published on July 31, 2026

Algebra

Learn how to solve the quadratic equation 2x^2 + 6x - 1 = 0 using the quadratic formula, finding the exact values for x.

Question

Answer

To solve the quadratic equation using the quadratic formula, follow these steps:

1. Identify the coefficients

A quadratic equation is in the standard form . Comparing this to our equation:

2. Apply the quadratic formula

The quadratic formula is:
Substitute the values of , , and into the formula:

3. Simplify the expression

First, simplify the terms inside the square root (the discriminant):
Next, simplify the square root of . Since , we have:
Now substitute this back into the equation:

4. Final simplification

Divide both terms in the numerator by the denominator (or factor out a from the numerator):
This gives us two solutions:
Final Answer: