you do what is in the brackets first and it is do the stuff in the parentheses first and it is 17x30=510 then add 120 to that 510+120=630 then you you have 5x630+1000-10 take 630 and multiply it by 5 = 3150 then add the 1000 and you have 4150 -10 and you the answer as 4140
