It is - 15 a ^ 2 + 21 a.
You use distributive property
Answer:
-4
Step-by-step explanation:
plug in 2 for the x, plug in the -5 for the y which will give you the equation 3(2)+2(-5)=
3 x 2 is 6
2 x -5 is -10
then you will have 6 - 10
and your answer is -4
6x3+8x2-2x+4=30-2x
10x3+x2+11x+9=21+13x
7b and 6b are like terms, thats all i know of!