Question

P= -4b^2 +6b - 9

Q = 7b^2 – 2b – 5
P-Q =
Your answer should be a polynomial in standard form.

Answer 1

Explanation:

-4b^2+6b-9-(7b^2-2b-5)=

-4b^2+6b-5-7b^2+2b+5=

-11b^2+8b-4