Question

(2u^2-u+7)+(-4u^2+6u+5)

Answer 1

\[\Delta = 121\]

Answer 2

(2u^2-u+7)+(-4u^2+6u+5)=(2-4)u^2+(-1+6)u+(7+5)=-2u^2+5u+12

Answer 3

i got -2u^2+5u+12..... okay thank you. wanted to be sure

Answer 4

can you check another one for me?

Answer 5

o u wanted the result xD sry was confuzed on that part

Answer 6

yeah

Answer 7

ok

Answer 8

9z^4(4-6z^2)

Answer 9

i got 36z^4-54z^6 but i have to simplify it as much as possible

Answer 10

Its correct

Answer 11

okay thank you