Mathematics, 21.06.2021 23:30 torres34038

If the length for sides 1, 2, and 3 of a quadrilateral add up to 12y^2+9y-21 and the perimeter of the quadrilateral is 4y^3+18y+16y-26, what is the length of the fourth side of the quadrilateral.

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If the length for sides 1, 2, and 3 of a quadrilateral add up to 12y^2+9y-21 and the perimeter of th...

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