The height for substitution is 78
Answer:
Factorization
Step-by-step explanation:
This can be easily factorized into (x+7)(x+9)=0 which can be solved for the two roots x = -7 and x = -9
Answer:
True
Step-by-step explanation:
As modern science has advanced we're able to learn more about what makes up matter. Hope this helps :)
