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Gre4nikov [31]
3 years ago
10

Simplify: 2x² -1+4x2-5 x2 - 1 6x2 +4 6x2-6 x2 +9

Mathematics
2 answers:
qaws [65]3 years ago
5 0

Answer:

6x^2 -6

Hope this helps!

d1i1m1o1n [39]3 years ago
3 0
2x+(600-400)-1200+200
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