Given f(x)= 3x^2+x-30 and g(x)=x-3 find f(x)-g(x)

Answer 1

Just subtract

3 x^2 + 1 x - 30 - 1 x + 3

= 3 x^2 -27 answer you want I suspect

= 3 (x^2-9)

= 3 (x-3)(x+3) factors of answer