3 - 18x^2 = 25x18x^2 + 25x - 3 = 0
18x^2 + 27x - 2x - 3 = 0
9x(2x + 3) - (2x + 3) = 0
(2x + 3)*(9x - 1) = 0
=> x = -3/2 or x = 1/9.
x = -2/3,7/6
gcf(12x, 18x²) = 6x
Using the quadratic equation formula: x = 1 or x = -10
It has one double solution.
-2, 1.74 and 0.46
9x2 - 18x + 99(x2 - 2x + 1)==========
18x= 19818x/18 = 198/18x = 11
(6x + t)(3x + t)
9x2 - 18x = -3x2 - 2x = -1/3x2 - 2x + 1 = 1 - 1/3(x - 1)2 = 2/3x - 1 = ±√2/3x = 1 ± (1/3)√6)
6xyz(3x + 2y + z)
3x(6x - 1)
Because: (9-x)(9-x) = 81-18x+x^2