2 years ago

Brainist to who answers this!

Mathematics

2 answers:

kumpel [21]2 years ago

7 0

13t ^2+ 2t ^2+ 9 this is the answer to the problem

yanalaym [24]2 years ago

4 0

Answer:

13t² + 2t + 9

Step-by-step explanation:

(9t² - 3t + 5) - (-4t² + 5t + 4)

Solving like terms

-(-4t²) becomes + 4t²

(9t² + 4t²) + (-3t + 5t) + (5+4) =

13t² + 2t + 9

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