Question

Please help ASAP .....

Answer 1

-2 * -2 = 4, but Maryam put -4 instead.

Answer 2

(n-2)2 is in the formula (a-b)2 = a2- 2ab + b2

correct it by writing (n-2)2 = (n2 - 2(n)(2) + 2 raise 2)