Respuesta :

First you want to multiply everything in the parenthesis by 4.

4 * 8y^2 = 32y^2
4 * -9 = -36

Then add your like terms
4y^2 + 32y^2 - 36

36y^2 - 36

Hope this helps!
bryan431
assuming 4y^2
4y^2 + 4(8y^2 - 9) (dont forget to distrribute)
4y^2 + 32y^2 - 36 
36y^2 - 36

hope this helps , give brainliest