Question 46190
(x - 1.2)(x - 4)
x^2 - 1.2x - 4x + 4.8
x^2 - 5.2x + 4.8 = f(x) i do not know where your last zero is, so i will just do one
(x^2 - 5.2x + 4.8)(x + 5)
x^3 - 5.2x^2 + 4.8x + 5x^2 - 26x + 24
x^3 - 0.2x^2 - 21.2x + 24 = f(x)
we need the last digit to be sixteen:
24x = -16
x = -16/24 = -8/12 = -4/6 = -2/3
(x^3 - 0.2x^2 - 21.2x + 24)(-2/3) = f(x)
(-2/3)x^3 + (2/15)x^2 + (212/15)x - 16 = f(x)
{{{ graph( 600, 600, -10, 10, -17, 3, (-2/3)x^3 + (2/15)x^2 + (212/15)x - 16) }}}