Question

simplify 3x sqúare+7x-5xy+2 when x =2 and y =-3​

Answer 1

Answer:

As Given question 3x² + 5xy - 4y2 + x² - 8xy

5y²

Simply adding the like terms

We get (3x² + x²) + (5xy - 8xy) – (4y² + 5y²)

Hence the solution is 4x² 3xy - 9y²

Answer 2

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