Algebra

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Add these 2 polynomials
(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).

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