Question

-14a^2-40a+5+9a^2+15a-17+2a^2-7a-6

Add each of the following expression​

Answer 1

we should right all same powered consonants at one place

we subtract or add a^2 with another number with a^2 only.like this only all will subtract or added there no number before a^2 so the number before a^2 is 1

now we can do the sum

-14a^2+9a^2+2a^2-40a+15a-7a+5-17-6

=-3a^2-32a-18