Simplify Polynomials

Simplify Polynomials

18x^2+6+4x-15x^2-4+13x

3x^2+6-2x+5x-4x^2+9

3x^2+3x-7x+3-5x^+2
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What is the coefficient of x?
-5x-4x^2+9
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ADD
(m^2-m-4)+(m-5)

SUBTRACT
(5x^2+x-3)-(-2x^3+4)

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f^2 Times f^4
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100^12/100^8
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x^16/x^3
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4^4 times 4^6
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3^3 times 3^3
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I have a lot more to do but I really NEED the points. Can you please please please help me?

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  1. 18x^2+6+4x-15x^2-4+13x
    (18-15)x^2 + (4+13)x + (6-4)
    3x^2 + 17x + 2

    3x^2+6-2x+5x-4x^2+9
    (3-4)x^2 + (-2+5)x + (6+9)
    -x^2 + 3x + 15

    3x^2+3x-7x+3-5x^+2
    (3-5)x^2 + (3-7)x + (3+2)
    -2x^2 - 4x + 5

    -5 is the coefficient of x
    -4 is the coefficient of x^2

    (m^2-m-4)+(m-5)
    m^2 + (-1+1)m + (-4-5)
    m^2 - 9

    (5x^2+x-3)-(-2x^3+4)
    (5- -2)x^2 + (1-0)x + (-3-4)
    7x^2 + x - 7

    f^2 * f^4 = f^(2+4) = f^6

    100^12/100^8 = 100^(12-8) = 100^4

    x^16/x^3 = x^(16-3) = x^13

    4^4 * 4^6 = 4^(4+6) = 4^10

    3^3 * 3^3 = 3^(3+3) = 3^6

    Looks like you seriously need to review the pertinent sections of your text.

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    posted by Steve

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