Respuesta :

Answer:

I dont know

Step-by-step explanation:

multiple and simply the equation

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Answer to #1 is B. y= -x^2 + 2
Answer to #3 is B & D.
Answer to #4 is also B & D
Answer to #5 is x^2 -7x +5
Answer to #6 is -21x^2 -12xy +30x
Answer to #7 is C. 2x^2 -3x -5
Answer to #8 is 20x^2 -43x +21
Answer to #9 is -6x^2 -26x +60

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