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tatuchka [14]
3 years ago
12

(13x2 + 5x) + 8x2 =

Mathematics
2 answers:
Naily [24]3 years ago
5 0

Good evening


(13x² + 5x) + 8x²

First you need to eliminate the parentheses

13x² + 5x + 8x²

Now group the common terms

13x² + 8x² + 5x

21x² + 5x  

I hope that's help:)

Akimi4 [234]3 years ago
3 0
(13x² + 5x) + 8x²

= (13 + 8)x² + 5x

= 21x² + 5x
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