Question

C= 3y^2+4y+4
D= -7y ^2 + 3y -6
D-C=

Answer 1

subtrace all numbers from c and d together.

Answer 2

-10y^2-y-10

Explanation:

• D-C= (-7y^2+3y-6)-(3y^2+4y+4)

rewrite without parenthese:

• -7y^2+3y-6-3y^-3y-4

group like terms:

• (-7-3)y^2+(3-4)+(-6-4)

simplify:

-10y^2-y-10