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    Simplifying Polynomials and Collecting Like Terms

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    Section 4.3

    Collect like terms.

    4 4
    52. 3a - 2a + 2a + a

    Collect like terms and then arrange in descending order.

    3 3 4
    66. -1 + 5x - 3 - 7x + x + 5

    Classify the polynomial as a monomial, binomial, trinomial, or none of these.
    4
    96. -6x

    5 3 3 2 3 2
    (4x - 6x - 9x + 1) + (6x + 9x + 9x) + (-4x + 8x + 3x - 2)
    Section 4.4 18.

    4 2 4
    42. (0.5x - 0.6x + 0.7) - (2.3x + 1.8x - 3.9)

    Section 4.5

    Multiply.
    4 6
    8. (0.3x ) (-0.8x )

    3 2
    22. -4x(2x - 6x - 5x + 1)

    38. (3x -4) (3x -4)

    2
    56. (3x -1) (4x - 2x - 1)

    2 2
    64. (1 - x + x ) (1 - x + x )

    Section 4.6

    16. (q + ) (q + )

    22. (3x + 4) (2x - 4)

    4 4
    48. (3x + 2) (3x - 2)

    3 2
    74. (6x - 2)

    Section 4.7

    Subtract

    4 2 3 4 2 3
    38.(3y x + 2y x - 3y - 7) - (2y x + 2y x - 4y - 2x + 5)

    Multiply
    2 2
    48. (a-b) (a + ab + b )

    2
    58. (3a + 2b)

    Divide and check.

    Section 4.8

    4 3 2
    2x - 3x + 5x
    _________________________________
    2
    x

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    Section 4.3

    Collect like terms.

    4 4
    52. 3a - 2a + 2a + a

    Collect like terms and then arrange in descending order.

    3 3 4
    66. -1 + 5x - 3 - 7x + x + 5

    Classify the polynomial as a monomial, binomial, trinomial, or none of these.
    4
    96. ...

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