The seven is in the ones place because its the only number there
The correct answer is -6m-n+3. You have to simplify the expression.
Fx - fa÷x - ( aif x ÷ n (2.178282)) (a) = -2.718282a² fix²+ fnx² - afn ÷ nx
Y 4 times 5 = square 5 divided by 6 = x times B so the anwser is sq 9