6x^2 + (2x^2-x) -3x is you answer
x=10.................................
$400 becuase 9.65+.35=10.00 and times it by 40 is 400.
Elaborate more so an answer can be given….
The answer is 13 because you would plug in 3(3) which is 9 then you multiply (9)(2) which is 18 they you subtract 18-5 which equals 13