Question

3. (x2 + 4x – 3)(2x2 + x + 6)

Answer 1

you have to be careful with this let every term in the first bracket multiply all terms in the 2nd
x^2(2x^2+x+6)+4x(2x^2+x+6)-3(2x^2+x+6)

Answer 2

then what do i do