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How to Factor (No Clicking Please)

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**Example A +15 – 8 +5 – 4 Ready? Two numbers whose product is – 120**

and whose sum is +15 – 8 Ready? +5 – 4 Two numbers whose product is – 20 First one fits evenly into Second one fits evenly into – 8

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**Example A +15 – 8 +5 – 4 3 2 Solution is and – 8 by – 4. •**

We now divide by + 5, +15 – 8 and – 8 by – 4. +5 – 4 3 2 Solution is • (wait)

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**Example B +2 – 15 +1 – 3 Ready? Two numbers whose product is – 30**

and whose sum is – 13 +2 – 15 Ready? +1 – 3 Two numbers whose product is – 3 First one fits evenly into Second one fits evenly into – 15

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**Example B +2 – 15 +1 – 3 2 5 Solution is and – 15 by – 3. •**

We now divide + 2 by + 1, +2 – 15 and – 15 by – 3. +1 – 3 2 5 Thanks for watching the show Solution is •

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