1300_F2011_Sec_43-filled - 3 Example 10 Factor 2 2 13 15 x...

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Math 1300 Section 4.3 1 Factoring Polynomials Some trinomials that can be factored do not look like the special trinomials from the previous sections. Trinomials written in the form ax 2 + bx + c can be classified into 3 groups. 1. leading coefficient is 1 2. leading coefficient is something other than 1 and there is no common factor 3. leading coefficient is something other than 1 and there is a common factor You can use a box to help you factor in each of these situations. Example 1: Factor 2 2 24 x x - . Example 2: Factor 2 6 x x - - . Example 3: Factor 2 7 12 x x - + . Example 4: Factor x 2 + 5 x + 6.
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Math 1300 Section 4.3 2 Example 5: Factor x 2 – 5 x – 24. Example 6: Factor x 2 + 10 x + 18. Example 7: Factor x 2 + 7 x + 6. Example 8: Factor x 2 + 2 x + 1. Can the polynomial even be factored??? Example 9: Factor 3 x 2 + 5 x + 4.
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Math 1300 Section 4.3
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Unformatted text preview: 3 Example 10: Factor 2 2 13 15 x x + + . Example 11: Factor 2 4 5 6 x x +-. Example 12: Factor 2 6 7 3 x x--Example 13: Factor 2 9 9 4 x x +-Math 1300 Section 4.3 4 Example 14: Factor 2 x 2 + 18 x – 72. Example 15: Factor 6 x 2 – 27 x + 12. Example 16: Factor 2 x 2 + 8 x + 4. Example 17: Factor -12 x 2 + 17 x – 6. Math 1300 Section 4.3 5 Example 18: Factor 7 x 2 – 14 x – 56. Example 19: Factor –4 x 2 + 40 x – 84. Example 20: Factor 10 x 2 – 13 x – 3. Example 21: Factor –20 x 3 – 80 x 2 – 75 x . Math 1300 Section 4.3 6 Example 22: Factor 30 x 3 – 3 x 2 – 9 x . Example 23: Factor x 4 + 3 x 2 – 4. Example 24: Factor -18 x 3 + 54 x 2 – 8 x + 24. Example 25: Factor 4 x 3 – 9 x . Math 1300 Section 4.3 7 Example 26: Factor 15 x 4 + 15 x 2....
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