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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