# Algebra

posted by .

(21t+8)(4t) and (3t-4)(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 -

(21t+8)(4t) + (3t-4)(2t) =
84t^2+32t + 6t^2-8t
Combine like-terms:
90t^2 + 24t
Factor out 6:
6(15t^2+4t).

## Similar Questions

1. ### Algebra I

Multiplying Polynomials...... Do you have a question?
2. ### 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?
3. ### algebra II

multiplication of polynomials by polynomials. 2^n-3 b^2n-2 (b^2-2^5-n b) I get 2^n-3 b^2n - 4^2 b^2n-1 but that is not right. I am stuck on the -4^2 part only. The rest is right.
4. ### college-Linear 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 0-1 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that …
5. ### 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 2-3 minutes (which is part of the difficulty as I only …
6. ### 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 …
7. ### algebra

Add these polynomals. (21t+8(4t) and (3t-4)(2t) 84t^2+32t 6t^2-8t I got this far but isnt there another setp I am forgetting?
8. ### physics

8.01 homework. I have difficulty with question no. 2. all my equations do not work-Rough 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 …