Answer:
1. ( x² - 5 ) ( x - 6 ) = x² - 6x - 5x + 30
= x² - 1 1x + 30
2. ( x - 2 ) ( x + 3 ) = x² + 3x - 2x -6
= x² + x -6
3. ( x - 1/3 ) ( x + 2 ) = x² + 2x - 1/3 x -2/3 = 0
= 3x + 6x -x-2 = 0
3x + 5x -2= 0
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Answers & Comments
Answer:
1. ( x² - 5 ) ( x - 6 ) = x² - 6x - 5x + 30
= x² - 1 1x + 30
2. ( x - 2 ) ( x + 3 ) = x² + 3x - 2x -6
= x² + x -6
3. ( x - 1/3 ) ( x + 2 ) = x² + 2x - 1/3 x -2/3 = 0
= 3x + 6x -x-2 = 0
3x + 5x -2= 0