x - 8 + x - 5 + x + 1 = 3x - 12
1 plus 1 x 2 plus 3 x 42 plus 10 x 5 = 1 + 2 + 126 + 50 = 179
Factors are (x + 5)(x + 1) so x = -5 or -1
2x+5+x-1=3x+4
If: x+1+2x = 1x+5 Then: x = 2
= (3x + 5)(x + 1) so x = -5/3 or -1
(X + 5)(X + 1) FOIL this. X2 + 1X + 5X + 5 Gather terms. X2 + 6X + 5 ----------------------------those were the factors
It is (x+5)(x+1) when factored
(x + 5)(x + 1)
5 x 5 = 25 + 1 = 26
If that's 5x2, it factors to (x + 5)(x2 + 1)
x(x + 1) = x**2 + x