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anonymous

  • 5 years ago

i need a little help on this one plz..... (8x(squared)+x-1)+(-2x(cubed)+3x-15)...... i couldn't figure out how to put the exponent up there so i just put squared and cubed..... if that makes sense<3

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  1. dumbcow
    • 5 years ago
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    \[(8x ^{2}+x-1) + (-2x ^{3}+3x-15)\] adding like terms ?

  2. anonymous
    • 5 years ago
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    yes that's the equation

  3. dumbcow
    • 5 years ago
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    well there is only one x^3 term so leave it alone there is only one x^2 term so leave it alone there are 2 x terms-> x + 3x x+3x = 4x, because 1+3=4 there are 2 constants --> -1+ -15 -1 + (-15) = -16 = \[-2x ^{3}+8x ^{2}+4x -16\]

  4. dumbcow
    • 5 years ago
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    do you need to factor this

  5. anonymous
    • 5 years ago
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    ohhhhhhh..... i get it now thanx a SUPER lot!

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