IDNLearn.com offers expert insights and community wisdom to answer your queries. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.

This Question: 1 pt
A triangle has a perimeter of 9x² + 7x - 2.
One side of the triangle measures 6x + 7. Another side of the triangle measures 8x?.
What is the measure of the third side of the triangle?


Sagot :

Answer:

9x² - 7x - 9

Step-by-step explanation:

Two sides

(6x + 7) + 8x = 14x + 7

total perimeter - two sides = Third side

9x² + 7x - 2

-      (14x + 7)

––––––––––

9x² - 7x - 9