SOLUTION: The lengths of two sides of a triangle are given by the expressions {{{2X^2+5X+3}}} and {{{2X^2+3}}}. The perimeter of the triangle is {{{8X^2+9X+2}}}. Find a polynomial expression

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The lengths of two sides of a triangle are given by the expressions {{{2X^2+5X+3}}} and {{{2X^2+3}}}. The perimeter of the triangle is {{{8X^2+9X+2}}}. Find a polynomial expression      Log On


   



Question 549898: The lengths of two sides of a triangle are given by the expressions 2X%5E2%2B5X%2B3 and 2X%5E2%2B3. The perimeter of the triangle is 8X%5E2%2B9X%2B2. Find a polynomial expression that represents the length of the missing side.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

8X%5E2%2B9X%2B2-(2X%5E2%2B5X%2B3 + 2X%5E2%2B3)

8X%5E2%2B9X%2B2-(4X%5E2%2B5X%2B6

8X%5E2%2B9X%2B2-4X%5E2-5X-6
4x%5E2%2B4x-4 is the third side