brentsharp2
brentsharp2
14-07-2017
Mathematics
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Simplify (3x2 − 2) + (5x2 + 5x − 1)
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Аноним
Аноним
14-07-2017
5x+13 is the correct answer
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simonjm899ot1d8p
simonjm899ot1d8p
14-07-2017
(3x2-2)+(5x2+5x-1)
=3x-2-2+5x2+5x-1
=6x-2+25x+5x-1
=6x-2+10x+5x-1
=6x+10x+5x-1-2
=21x-1-2
=21x-3
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