SOLUTION: I have a test tomorrow and these questions will be dominant on the test (12x to the exponent of 3 + 15x to the exponenet of 3)(+4x +5) I know the answer

Algebra.Com
Question 38392: I have a test tomorrow and these questions will be dominant on the test
(12x to the exponent of 3 + 15x to the exponenet of 3)(+4x +5)
I know the answer because my teacher gave it to me but I dont know how to get the answer. Is there anyway you can walk me through the steps?

Answer by fractalier(6550)   (Show Source): You can put this solution on YOUR website!
If what you mean is
(12x^3 + 15x^3)(4x + 5), you can add the first two terms together before multiplying, and get
27x^3(4x + 5) =
108x^4 + 135x^3
Remember that when you multiply like bases, you add the exponents...

RELATED QUESTIONS

How do I solve this question on your website it gives me the answer but it does not... (answered by lynnlo)
I have a test tomorrow on Trigonometric Functions and I dont know how to do any of the... (answered by solver91311)
How can you show vertical reflection, shift left 3, and shift up 6 to these functions:... (answered by nerdybill)
if tangent of theta equals 5 divided by 7, then cosine of theta will equal ? These types (answered by stanbon)
These will be the last questions. Please help 1. List all of the possible rational... (answered by jim_thompson5910)
Use a graph to demonstrate the operation of these complex numbers: 1) (7-6i)+(-5-2i) (answered by stanbon)
How do I find the equation of the line passing through the point (1,5) and parallel to... (answered by scott8148)
a manufacturer knows that in a box of 120 light bulbs there will be 3 defective bulbs.... (answered by KMST)
Hello, I have a test tomorrow, and am stuck on one of the revision questions: The... (answered by richard1234)