Question

simplify: -4 (7r + 10) + 9r (6r + 6)
I am haven trouble when I either add it or subtract at the end. I have to different answer and I am confused! plz help

Answer 1

-4 (7r + 10) + 9r (6r + 6)

-28r - 40 + 54r^2 + 54r

Now combine like terms

Answer 2

im sry i misundertood what i wrot the problems is 9(6r +6) my bad

Answer 3

so

Answer 4

54 instead of 54 ^2

Answer 5

-4 (7r + 10) + 9(6r + 6)

-28r - 40 + 54r + 54

Now combine like terms

Answer 6

so my answer I got is 82r + 94?

Answer 7

that's incorrect

Answer 8

try again please

Answer 9

ok

Answer 10

so 26r+ 14?

Answer 11

that is correct

Answer 12

thanks for your help :)