i need to figure out in equation form starting at 6,3

i need to figure out in equation form starting at 6,3

In class our professor turned: (3n)*5 + (1/2) * 2(3n-1) into 3n(6) - 1 How is this possible and what steps were used to make this happen? Thanks a bunch!

The long side of a rectangle is 3x+21 units, and it's area is 3x^2+33x+84. Find the width

If you could help me solve this question that would be great! Thank you!

a square wooden table has a side length of (3x+5) inches and there is a square tissue box sitting on the table which has a side of (x-4) inches. What is the area of the top of the end table that...

use factoring to solve

use factoring to solve problem

I know how to do factoring with an exponent of 2 after the coefficent but i'm confused at how to do ones squared such as: 27x^3+125 Thank you

How do I solve this equation by factoring?

How to find X and Y, Please include steps!!

How do you determine if a factoring problem will use the difference of two squares? Choose the correct answer below. A. The problem will have two terms. It will be in the form...

factor -81y as far as possible please.

I need help

Nothing

The numbers don't have to be whole numbers, and I'm pretty sure they can be negative as well

The product of two consecutive odd integers is 1 less than 4 times their sum. Find the two integers. Answer in the form of paired points with the lowest of the two integers first.

I want to know how to factor the equation using the box method/unfoil method thank you

We have to find factored form then multiply the factors.

I don't know how to solve using factoring

X2-81 12(x-9) and (x-9)2, are both acceptable?