Question

sides of triangle in terms of x are 2x²-x+3 ,x²-x and x² +3x -9 . find its perimeter ​

Answer 1

Answer:

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Step-by-step explanation:

Perimeter of triangle = sum of all sides of a triangle

$2x {}^{2} - x + 3 + x {}^{2} - x + x { }^{2} + 3x - 9 \\ = 4x {}^{2} + x - 6$