Based on the calculations, the sum of 2x² - 6x - 2 and x² + 4x is equal to 3x² - 2x - 2.
How to solve a quadratic equation?
In Mathematics, the standard form of a quadratic equation is given by this mathematical expression:
ax² + bx + c = 0.
In this exercise, you're required to determine the sum of the given quadratic equations. Thus, we would add the equations together as follows:
2x² - 6x - 2 + x² + 4x
Combining like terms, we have:
2x² + x² + 4x - 6x - 2
3x² - 2x - 2
Read more on quadratic equation here: brainly.com/question/1214333
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