Faktorkanlah 11x+4-3x²

-3x^2+11x+4
-(3x^2-11x-4)
-(3x^2+x-12x-4)
-(x(3x+1) -4(3x+1))
-(3x+1)(x-4)

11x + 4 - 3x²
= -3x² + 11x + 4
= -3x² + 12x - x + 4
= (-3x² + 12x) + (-x + 4)
= 3x(-x + 4) + 1(-x + 4)
= (-x + 4)(3x + 1)
= -1(x - 4)(3x + 1)