F(x) = 5(-3x) ^2 - (-3x) + 1
f(x) = -8x ^2 + 3x + 1
f(x) = -8x ^3 + 3x
you would do PEMDAS
you do -3 times 4. then you do that and devide by -3.
Answer: 5.3
Step-by-step explanation: To solve this question, all you need to do is add the numbers together. 1.6+3.7=5.3
For number 12 the answer is 15.36