Question

can someone solve this?
(-7a^2+9u)-(-11a^2)

Answer 1

u = 11/2

Answer 2

I hope I helped you

Answer 3

you have to combine like terms and solve it

Answer 4

http://www.tiger-algebra.com/drill/-1=(9u-7/2)-(8u_9/3)/ this might help

Answer 5

Use: \(\Large \color{red}{a-(-b)=a+b}\Rightarrow -(-11a^2)=11a^2\)
\(\Large (-7a^2+9u)-(-11a^2)=-7a^2+9u+11a^2\\\Large =(11-7)a^2+9u=4a^2+9u\)

Answer 6

thanks(:

Answer 7

4a^2+9u