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6 March, 00:54

Subtract and write in standard form

(8x - 6x3 + 5x2) - (2x2 + 2x - 7x3)

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  1. 6 March, 04:10
    0
    x^3 + 3x^2 + 6x

    Step-by-step explanation:

    Eliminate parentheses using the distributive property. Collect terms. Standard form has the exponents decreasing.

    = 8x - 6x^3 + 5x^2 - 2x^2 - 2x + 7x^3

    = x^3 (-6 + 7) + x^2 (5 - 2) + x (8 - 2)

    = x^3 + 3x^2 + 6x
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