18x2 + 15x + 2 = (3x + 2)(6x + 1)
-15x=-5*3x+2 -15x=-15x+2 +15x +15x ----------------- 0=2
2x2 + 15x + 25 = (2x + 5)(x + 5)
5x(x+3)
15x squared plus eleven
x(x+3)(x+5)
You can't factor it
15x - 3xy = 3x(5 - y) 20 - 4y = 4(5 - y) 15x - 3xy + 20 - 4y = (3x + 4)(5 - y)
18x2 + 15x + 2 = (3x + 2)(6x + 1)
-15x=-5*3x+2 -15x=-15x+2 +15x +15x ----------------- 0=2
9xy2 - 24xy + 15x
2x2 + 15x + 25 = (2x + 5)(x + 5)
3x
5x
5x(x+3)
3x2 + 15x + 6 = 3*(x2 + 5x + 2). There are no further rational factors.
It is 5