Answer:
D
Step-by-step explanation:
The other ones don't make sense. The answer is 3.5x+x=9.90
To do this we take the outlier off the parenthesis (the 4) and multiply it by the two numbers inside the parenthesis...
4*7 + 4*8
28+32
Hello there!
The correct answer is option A
Instead of the division sign, it suppose to be multiply.
Have fun on Khan Academy!
3√10^4x is equivalent to -√10 3/4^x and -4√10^3x they are all equivalent