5x + x = 5x Squared (5x^2) x + x equals 2 x's = 2 = squared - very simple & logic.
no its not simple and logic 5x^2 is the result of 5x times x. 5x plus x is 6x. Think of the x as 1x not x so 1x + 5x= 6x. That's simple and logic.
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Well, honey, 5x plus x is just 6x. It's as simple as that, no need to overcomplicate things. Just add those x's together and you've got your answer.
6x
3
5x + (3y-x) + (10-2y) = 5x + 3y - x + 10 -2y = 5x - x + 3y - 2y + 10 = 4x + y +10
5x-4y+9y+x-9+7 = 5x + x - 4y + 9y - 9 + 7 = 6x + 5y - 2 ■
If you mean: 2.5x+x = 5x-3 then x = 2
5x² - 18x + 9 = (5x² - 15x) - (3x - 9) = 5x(x - 3) - 3(x - 3) = (5x - 3)(x - 3).