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12x2 - 7x + 1 = 12x2 - 4x - 3x + 1 = 4x(3x - 1) - 1(3x - 1) = (3x - 1)(4x - 1)
It is (x+5)(x+1) when factored
(7x+2)(2y-1)
6x^3 + 3x = 3x(2x^2 + 1)
(5x + 2)(x + 3)
X2 + 4xx(x + 4)=======
x + x = x(1+1)
6x^2 + 5x + 1 = (3x +1) (2x + 1)
You don't. There is no way to factorise it.
(x + 2)(x + 1)
(m + 6)(m + 1)
(x-1)(2x+5)
(2n+3)(n+1)=2n2+5n+3.
(a + 6)(a + 4)
2x2 - 9x + 4 = (2x - 1)(x - 4)
X=5