Algebra
posted by Anonymous* .
Add these 2 polynomials
(21t+8)(4t) and (3t4)(2t)
84t^2+32t 6t^28t
I got this far isnt there another setp to do this is the part I am having difficulty with.

Algebra 
Henry
(21t+8)(4t) + (3t4)(2t) =
84t^2+32t + 6t^28t
Combine liketerms:
90t^2 + 24t
Factor out 6:
6(15t^2+4t).
Respond to this Question
Similar Questions

Algebra I
Multiplying Polynomials...... Do you have a question? 
AP US History Essay
Explain why Britain finally decided against intervention on behalf of the Confederacy. In what ways was Britain helpful to the South anyway? 
algebra II
multiplication of polynomials by polynomials. 2^n3 b^2n2 (b^22^5n b) I get 2^n3 b^2n  4^2 b^2n1 but that is not right. I am stuck on the 4^2 part only. The rest is right. 
collegeLinear Algebra
Let V={f(x)=c0 + c1x + c2x2 : ç01 f(x)dx=1}. In other words, V is the set of all polynomials of degree 2 or less such that their integral from 01 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that … 
biology
I have to do a presentation for biology on 'recycling & treatment of water' I am having difficulty with what information is important. The presentation is only supposed to last 23 minutes (which is part of the difficulty as I only … 
Algebra
Hello. I am trying to solve quadratic functions but I'm having difficulty understanding. Here is my work so far... y=3x^2 + 12x + 9 12/6 = 2 = y 3(2)^2 + 12(2) + 9 = 3 x=0 y=9 (0,9) Would I just plug in 1 and 2 for x and then reflect … 
algebra
Add these polynomals. (21t+8(4t) and (3t4)(2t) 84t^2+32t 6t^28t I got this far but isnt there another setp I am forgetting? 
physics
8.01 homework. I have difficulty with question no. 2. all my equations do not workRough Surfaces. Also, the period of oscillation got part a the rest is confusing and my answers do not check out. I thought this was a very difficult … 
Algebra help please
Part A: Divide (16x^5y^4 + 6x^3y  2x^2y  24x^2y^4) by 2x^2y. Part B: How would your answer in Part A be affected if the x2 variable in the denominator was just an x? 
college math
in a conjecture the answer i got was 12n how would it look if it was to be part Amultiplied by 12 part Badd 12 to the product Part C divide the sum by 2 PArt Dsubtract 6 from the quotient