No, no value for x will result in you getting the same amount of money
I.e. on the first day if x =2 you earn 33. on the second day you would've earned 44. Of course this may be wrong so best to double check
Step-by-step explanation:
Equation: 
First step:

Second step:

Third step:

Fourth step:

(2x² - 4x + 3) + (x² - 4x - 4) =
2x² - 4x + 3 + x² - 4x - 4 =
3x² - 8x -1
B.
Answer:
6*10^2
Step-by-step explanation:
(2*10^-7) * (3*10^9)
Multiply the numbers then add the exponents
2*3 * 10^(-7+9)
6 * 10 ^(2)
6*10^2