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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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{eq}\eqalign{ & {\text{Let's solve the following quadratic equation:}} \cr & \,\,\,\,\,\,{x^2} + 5x + 4 = 0 \cr & \cr & {\text{So}}{\text{,...

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How to Use the Quadratic Formula to Find Roots of Equations

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Chapter 22 / Lesson 3
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Understand 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.


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