Solve the following quadratic equation.
{eq}\displaystyle x^2 + 5x + 4 = 0 {/eq}
Question:
Solve the following quadratic equation.
{eq}\displaystyle x^2 + 5x + 4 = 0 {/eq}
Quadratic Equation:
The quadratic formula is a direct, easy, and accurate way when we need to solve a second-degree polynomial equation {eq}a{x^2} + bx + c = 0 {/eq}. We simply need to identify the coefficients of the equation and replace them in the following expression:
$$x = \frac{{ - b \pm \sqrt {{b^2} - 4ac} }}{{2a}} $$
Answer and Explanation: 1
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Chapter 22 / Lesson 3Understand the meaning of the roots of an equation and how to find the roots of a quadratic equation. Also, see the formula used in finding the roots of a quadratic equation.