Question

I want to know the 4th one

Answer 1

Answer:

2/3+(-1/4)=8/12-3/12

=5/12

2/3×(-1/4)=(-2/12)

p(x)= x^2-x(-2/12)+5/12

= x^2+2/12x+5/12

by taking 12 as common we get,

=12x^2+2x+5

=ax^2+bx+c

-2/12=(-b/a)

5/12=c/a