SOLUTION: Add (5x^2 - xy + y^2) + (-x^2 - 9xy + 8y^2)

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Question 436797: Add
(5x^2 - xy + y^2) + (-x^2 - 9xy + 8y^2)
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
(5x² - xy + y²) + (-x² - 9xy + 8y²)
= 5x² - xy + y² - x² - 9xy + 8y² {took out parentheses}
= 4x² - 10xy + 9y² {combined like terms}
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