Question

Y2. (x-3)(x-7)(x-12)<0​

Answer 1

Answer:

Step-by-step explanation:

x(x-3)-7(x-3)(x-12)

(x^2-3x-7x-(-9))(x-12)

(x^2-10x+9)(x-12)

x^2(x-12)-10(x-12)+9(x-12)

x^3-12x^2-10x+120+9x-108

x^3-12x^2-x+12