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math

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a quadrilateral with angles that mesure: 10x-25, 10x, 3x to the second power, and 2x to the second power. solve for x.

  • math - ,

    Don't the four angles in a quadrilateral add up to 360° ?
    so solve
    10x-25 + 10x + 3x^2 + 2x = 360

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