9x^3 - 8x^2 is the answer. to solve this you must distribute the sign across each parenthetical and then add the like terms (all cubed x variables added to cubed variables and all squared x variables added to squared variable)
Answer:
15
Step-by-step explanation:
18-x=3
18-3=x
18-3=15
Answer is 10.2 + 3.1x
Solve by combining like terms
Answer:
Hey there!
The answer is 2 1/4, which is 2.25
Let me know if you have any other questions!