Question

factorise the polynomial x^2/4+9-3x​

Answer 1

Answer:

(x^2)/4+9-3x=0

(x^2+36-12x)4=0

x^2-12x+36=0

x^2-6x-6x+36=0

x(x-6)-6(x-6)=0

(x-6)(x-6)=0

(x-6)^2=0

x=±6