('x' times 'x') plus 'x' = 30x2 + x - 30 = 0(x + 6) (x - 5) = 0x = -6and/orx = 5
(x + 4) + (x + 5) = 2x + 9
x/(x + 4) = 4/(x + 4) + 2 (x - 4)/(x + 4) = 2 x - 4 = 2x + 8 -x = 12 x = -12
4x + 4 or 4(x + 1)
2x + x + 4 +2x = x + 20 5x + 4 = x + 20 5x - x = 20 - 4 4x = 16 x = 4
(x+4)(x+4), or (x+4)^2.
(X) x (4) x (8) x (12) = 384 X
It is 123.99
4 + 24 + x = 28 + x
(x + 4)(x + 1) x = -1 or -4
13/x+4=
x3 + 4x2 + x + 4 = (x + 4)(x2 + 1)