Question

помогите решить
1) (х-5)(х+3)-4х+18=
2) 3у(х-1)+2у(х-1)^2=
3) (3х+4ху)^2=

Answer 1

1)x-5=0 x+3=0 -4x+18=0
x=5 x=-3 x=18:4
x=4.5