# College Algebra - Quadratic Equations

Solving Quadratics by Factoring
Example:
Factor
x2 = 25
3x2 - 7x = 0
Solving Quadratics by Factoring
Example:
Factor
2x2 - 5x - 3 = 0
x2 - 4x + 4 = 0
Solving Quadratic Equations by Using Square Roots
Example:
Factor
3x2 + 1 = 151
x2 + 8x + 16 = 12
• Show Step-by-step Solutions
• Solving Quadratics by Completing the Square
Example:
Factor
x2 + 6x + 1 = 0

Completing the Square Example
Example:
Factor
2x2 + 4x - 1 = 0
Proving the Quadratic Formula
Using the Quadratic Formula
Example:
Factor
3x2 - 5x - 3 = 0
√2x2 + 3x + √2 = 0

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