Question

simply 7-[x-{2y-(6x+y+7)+2x2}-x2-2y)]​

Answer 1

Answer:

Step-by-step explanation:

7-[x-{2y-(6x+y+7)+2x^2}-x^2-2y}]

7-[x-{2y-6x-y-7+2x^2}-x^2-2y}]

7-[x-{y-6x-7+2x^2-x^2-2y}]

7-[x-{x^2-6x-y-7}]

7-[x-x^2+6x+y+7]

7-[7x-x^2+y+7]

7-7x+x^2-y-7

x^2-7x-y

Mark me as brainliest