Factoring Quadratics
Süžeeskeem Tekst
- What's Wrong Tim?
- I cannot solve this math problem!
- A simple quadratic equation! I have just the method for you! Let me show you the "X Machine"!
- This is what I like to call the "X Machine". It works just like the Function Machine.
- I remember the Function Machine. That makes it sound easy!
- x2 + 9x + 20
- First, take the coefficient of the first and third term and multiply them together in the top of the X
- 20
- x2 + 9x + 20
- Next, put the coefficent of the second term in the bottom of the X
- 20
- 9
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