Math Problem Statement

Solve the equation x^2 + 7x + 6 = 0 using the quadratic formula.

Solution

The equation in your image is:

x2+7x+6=0x^2 + 7x + 6 = 0

We can solve this quadratic equation using the quadratic formula:

x=b±b24ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}

For the equation x2+7x+6=0x^2 + 7x + 6 = 0, the coefficients are:

  • a=1a = 1
  • b=7b = 7
  • c=6c = 6

Step-by-Step Solution:

  1. Substitute the values of aa, bb, and cc into the quadratic formula:

x=7±724(1)(6)2(1)x = \frac{-7 \pm \sqrt{7^2 - 4(1)(6)}}{2(1)}

  1. **Simplify the discriminant (b24acb^2 - 4ac):

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Equations

Formulas

Quadratic equation formula: x = [-b ± sqrt(b^2 - 4ac)] / 2a

Theorems

Quadratic formula

Suitable Grade Level

Grades 7-9