Am getting the hang of this but i still need so may i get with this equation -7a+6a^2-10

Answer this question only if you know the answer! 30 points and

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

4+(2+x) can you me solve this problem