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6 October, 11:44

Simplify the expression (5x^2+13x-4) - (17x^2+7x-19) + (5x-7) (3x+1)

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  1. 6 October, 12:38
    0
    5x²+13x-4-17x²-7x+19+15x²+5x-21x-7=

    =5x²+15x²-17x² + (13x-7x+5x-21x) - 4-7+19=

    =3x²-10x+8
  2. 6 October, 13:40
    0
    The simplified expression is = 3x^2-10x+8
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