you factor out the common 5
so it would be: 5(x + 2)
so that when you multiply back out 5 by x you get 5x and 5 by 2 you get 10
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6x^2 + 5x + 1 = (3x +1) (2x + 1)
5x + (3y-x) + (10-2y) = 5x + 3y - x + 10 -2y = 5x - x + 3y - 2y + 10 = 4x + y +10
It is simply 5x + 10. Since it is an expression, there can be no solution.
5x + 20 = 4x +30 5x - 4x = 30 - 20 x = 10
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