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23 November, 23:11

Simplify (3a^4-2a^2+5a-10) - (2a^4+4a^2+5a-2

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  1. 23 November, 23:23
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    3a4-2a2+5a-10) - (2a4+4a2+5a-2)

    remove first set of parentheses:

    apply "-" sign to second parentheses (distributive prop):

    the - of a - becomes a +:

    combine like terms:

    Factor out the variables that are alike:

    { (1) a^4 + (-6) a^2 + 0a + (-8) }}}

    0a is just 0, makea the "a" term go away:

    can try to factor as squares, but it doesn't work out:

    8 = (-4) x (+2) product factors cannot add to make 6.
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