The lengths of the two sides of a triangle are given by the expressions 2x^2 + 5x + 3 and 2x + 3.The perimeter of the triangle is 8x^2 + 9x + 2 . Find a polynomial expression that represents the length of the missing side.
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The lengths of the two sides of a triangle are given by the expressions 2x^2 + 5x + 3 and 2x + 3.The perimeter of the triangle is 8x^2 + 9x + 2 . Find a polynomial expression that represents the length of the missing side.
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Step-by-step explanation:
Sum of all sides = 8x²+9x+2
So third side= 8x²+9x+2 - (2x²+5x+3) - (2x+3)
= 8x²+9x+2- 2x²-5x-3 - 2x-3
= 6x²+ 2x-4 Ans.