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    Factoring

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    11. Factor completely. If the polynomial is prime, state this.

    3x3 + 6x2 - 189x

    12. Factor completely. If the polynomial is prime, state this.

    x2 - 1.1x + 0.28

    13. Factor completely. If the polynomial is prime, state this.

    2x2 - 8x + xy - 4y

    14. Solve by factoring and using the principle of zero products.

    a2 - 19a + 84 = 0

    15. Solve the problem.

    Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 12 miles, the distance between the cars was 4 miles more than the distance traveled by the car heading east. How far had the eastbound car traveled?

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    Solution Summary

    Factoring is achieved using the principle of zero products.

    $2.49

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