the perimeter of triangle is 8w^2 _ 4w+2 and two of its sides are 6w^2 _ 5w and w^2 _ 2w + 1. Find the third side
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Answer:
w² +3w + 1
Step-by-step explanation:
third side T = 8w^2 - 4w+2 - 6w^2 + 5w - w^2 + 2w - 1.
T = 8w² - 4w + 2 - 6w² + 5w - w² + 2w - 1.
T = w² +3w + 1
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