Answer:
Step-by-step explanation:
4x^2 - 3y^2 + 3z - 5z - 5y^2
4x^2 - 8y^2 - 2z
she could do multiplication AND division
x is less than -3
3x^2+9x<0
x^2+3x<0
x(x+3)<0
x+3<0
x<-3
Answer: Did you mean to rewrite that