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What are the roots of the quadratic equation X² + 4X + 4. How many roots are there.

User Vikram Rao
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If we set the equation equal to 0, we can factor it to find its roots:

x² + 4x + 4 = 0
(x + 2)(x + 2) = 0
x = -2

This graph has one root, a double root, at -2. This means that a single point, which must be the vertex of the parabola, touches the x-axis at (-2, 0)
User Lavrik
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