Question

I’ve been stuck on this khan for hours already can’t seem to figure it out, it’s just adding and subtracting polynomials but it’s supposed to equal a polynomial in standard form :( please help me !!

Answer 1

(p^2 - 5p + 4) - (4p^2 - 9p + 11)
= p^2 - 5p + 4 - 4p^2 + 9p - 11
= p^2 - 4p^2 -5p + 9p + 4 - 11
= -3p^2 + 4p - 7