Answer: first question answer is 3x^3+6x^2-24x+27
Second question answer=a^2-ab
Step-by-step explanation:
Hi!
Explanation:<em> </em><u><em>First you had to add by 8 from both sides. Then simplify, you can subtract by 4x from both sides. Simplify again, you can divided by 2 and it gave us 2x/2=8/2. And the answer is x=4 is the right answer. Hope this helps! And thank you for posting your question at here on Brainly. And have a great day. -Charlie</em></u>
Answer: I think the last one sorry of I am wrong
Step-by-step explanation:
Calculator use a calculator