Assuming 5a3 equals 5a^3, and the same for everything else, you would plug in 4 for a, so 5(4)^3 - 2(4)^2 + 4 - 45, which equals 247.
Just count the amount of each letter and write it as a exponent = 3x²y³
Answer:
the answer is 9
Step-by-step explanation:
If you just try multiplying with every number, you'll eventually find the right one.
You didn’t post the question. If you post the questions, I can help.
Also, I think you can search the question and find the answers… I remember doing this one.
Mm i think 7 you just have to divide like the number by 2 like 40 divided by 2 is 20 then divide the 20 and you get 10 idk
