If x=4

If x=4 and y=-3, what is the value of the expression x² + 2xy - 4x + 3y + y²?

Correct answer:

v =  -24

Step-by-step explanation:

x=4 y=3  v=x2+2 x y4 x+3 y+y2=42+2 4 (3)4 4+3 (3)+(3)2=24

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