Question

3) If x=3 and y = - 2then find the value of 4x²-5xy-y².​

Answer 1

4x²-5xy-y²

4(3)²-5(3)(-2)-(-2)²

36-30-4

2

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Answer 2

Answer:

-3

Step-by-step explanation:

4[3]^2 - 5[3][2] - [3]^2

4[9] - 5[6] -9

36-30-9

-3