x2 + 6x = x*(x + 6)
-x2 + 6x + 16 = -(x2 - 6x - 16) = -(x - 8)(x + 2) = -(8 - x)(x + 2)
x3 + x2 - 6x + 4 = (x - 1)(x2 + 2x - 4)
6x5(x2 - 6x + 3)
x2-6x+9 = (x-3)(x-3) when factorised.
x2 + 6x = x*(x + 6)
-x2 + 6x + 16 = -(x2 - 6x - 16) = -(x - 8)(x + 2) = -(8 - x)(x + 2)
x2 + 6x + 8 = (x + 4)(x + 2)
x3 + x2 - 6x + 4 = (x - 1)(x2 + 2x - 4)
x2 + 6x + 9 = 81 x2 + 6x = 72 x2 + 6x - 72 = 0 (x+12)(x-6) = 0 x= -12, 6 (two solutions)
x2 + 6x + 5 can be factored into (x+1) (x+5)
6x5(x2 - 6x + 3)
324
x2-6x+9 = (x-3)(x-3) when factorised.
x2 - 6x + 5 = (x - 1)(x - 5)
The quadratic expression x2+6x+8 when factorised equals (x+2)(x+4)
Not factorable