Find the sum of 4x^2-5xy+3y^2 , 8x^2 + 7xy – 6y^2 and -2x^2 – 9xy +13y^2
Answers
Answered by
4
Answer:
Answer (10x^2-7xy+10y^2)
Answered by
31
Answer:
10x²-7xy+10y²
Step-by-step explanation:
4x²-5xy+3y² + 8x²+7xy-6y²
4x²+8x²-5xy+7xy+3y²-6y²
=12x²+2xy-3y²
12x²-5xy+3y² + -2x²-9xy+13y²
12x²-5xy+3y² - 2x²-9xy+13y²
12x²-2x²-5xy-9xy+3y²+13y²
= 10x²-7xy+10y²
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