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Natalya
18 April, 19:35
What is (5x^2+x-3) - (-2^3+4)
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Lincoln Hoover
18 April, 19:52
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A (b+c) = ab+ac
distribute invisible - 1
5x^2+x-3+2x^3-4
group like terms
2x^3+5x^2+x-3-4
2x^3+5x^2+x-7
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Denise Maldonado
18 April, 21:58
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I love this! : 3
5x^2+x-3 - (-2x^3+4)
5x^2+x+-3+-1 (-2x^3) + (-1) (4)
5x^2+x+-3+2x^3+-4
(2x^3) + (5x^2) + (x) + (-3+-4)
And we're left with 2x^3+5x^2+x-7
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