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4.3.2 solve by factoring

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4.3.2 solve by factoring

1. 1. The Zero Product Property
2. 2. Solve 4 0a  7 0b  0a b  0a  0b  0 or 0a b 
3. 3. The Zero Product Property  If the product equals zero, at least ONE of the factors (things being multiplied together) must be equal to zero.  With quadratic equations, we can factor to create a product that equals zero to help us find the value(s) of the variable.
4. 4. Solve the Equation 2 7 12 0x x     3 4 0x x    3 0x    4 0x  3x   4x  
5. 5. Solve the Equation 2 7 0x x   7 0x x   0x   7 0x  0x  7x  
6. 6. Solve the Equation 2 8 12 0x x     2 6 0x x    2 0x    6 0x   2x  6x 
7. 7. Solve the Equation 2 11 12 0x x     12 1 0x x    12 0x   1 0x   12x  1x  
8. 8. Solve the Equation 2 15 56x x     8 7 0x x    8 0x    7 0x   8x  7x  2 15 56 0x x  
9. 9. Solve the Equation 2 20x x     0 4 5x x    0 4x   0 5x  4x  5x   2 0 20x x  
10. 10. p. 256 # 24 - 38