4[2x – 3.1(x2 + 2x) + 7.2x]

asked Dec 3, 2018 94.7k views

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4[2x – 3.1(x^2 + 2x) + 7.2x]
= 4[2x – 3.1x^2 - 6.2x + 7.2x]
= 4[- 3.1x^2 + 3x]
= -12.4x^2 + 12x

Chansik Im answered Dec 6, 2018

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2 votes

The answer to this question is 4 (.2 x - 3.1 (x2 + 2 x)). Try using Wolfram for future questions - it's a sort-of calculator like website.

ChaosPandion answered Dec 9, 2018

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