(2y-9)(2y-9)
(2y-9)^2
(2y)^2-2*2y*9+9^2
4y^2-36y+81
Answer:
1) they equation they solved was correct as they were able to do the correct operation to yield their answer.
2)this problem should be approached by subbing in the correct X values and y values into their rightful position, by doing this U will yrild the correct answer
<span>I'm pretty sure that the following polynomial 23 + 4x3 is a cubic binomial.</span>
If you decrease number by 50% of that number you are basically dividing with 2 hence the answer is 15.