What is the answer to 3x squared plus 2X

Mathematics

2 answers:

7nadin3 [17]3 years ago

8 0

It's already in the simplest form.

artcher [175]3 years ago

7 0

The answer would stay the same as the question (3x^2 + 2x).

This is because the variables can't be added together because they are not the same (x^2 not equal to x). So, the answer would stay the same

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Step-by-step explanation:

$\text{The roots are,}~ \alpha = -5,~ \beta = 1 ~ \text{and}~ \gamma = 5\\\\\text{The polynomial is,}\\\\~~~x^3 - (\alpha + \beta + \gamma)x^2+(\alpha \beta + \beta \gamma+ \gamma \alpha)x - \alpha\beta \gamma\\\\=x^3 - (-5+1+5)x^2 +(-5 \cdot 1 + 1 \cdot 5 + 5 \cdot -5)x - (-5)(1)(5)\\\\=x^3 -(0+1)x^2 + (-5+5-25)x +25\\\\=x^3 -x^2 -25x +25$

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