3 years ago

4[2x – 3.1(x2 + 2x) + 7.2x]

2 answers:

3 0

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.

3 0

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

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