7x-2
(3b + 7x)(3b + 7x) or (3b + 7x)2
5x2+ 7x + 2 = (x + 1)(5x + 2).
X=4.2666666666667
7x + 2
-7x + 6 + 7x - 2 = 4
-7
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7x-2
(3b + 7x)(3b + 7x) or (3b + 7x)2
7x + 2 = 6x + 2 if and only x = 0.
5x2+ 7x + 2 = (x + 1)(5x + 2).
X=4.2666666666667
7x + 2
49x2+28x+4 = (7x+2)(7x+2) when factored
7x+2-2=16-27x = 147x/7 = 14/7x = 2
7x + 2 = 5,6