The answer would be 3, 2-2+3, I’m pretty sure.
Answer:
30
Step-by-step explanation:
Substitue 3 for every x in the equation
10(3)-(3*3)(2*3)+(3)^2(2*3)
Multiply
30-(9)(6)+9(6)
30-54+54=30
150*30% = $45
$150-$45 = $105
Marco still owes his brother $105
Answer:
Step-by-step explanation:
You have to group all of the same one's together and however many there is, you add that number as the exponent.
There were 2 "(-2)" so that became
, and there were 5 "7" so that became
. You keep the symbol and put it together which became 