Respuesta :

Answer:

x²-9x-1

Step-by-step explanation:

move the -x² in front and get -x²+9x+1

then multiply the whole equation by -1 and get x²-9x-1

Answer: x^2 +9x+1

Step-by-step explanation: exponents go first (if there are more than 1, highest number to lowest), then x terms, then regular numbers

ACCESS MORE