<span>Chemistry is the branch of science that deals with the identification of the substances of which matter is composed. </span>
Answer:
3x^2+15x-1=0
Step-by-step explanation:
4/(3x+15)=4x
4=12x^2+60x
12x^2+60x-4=0
3x^2+15x-1=0
Please solve after that, I cannot do everything for you
Answer:
(-2,2)
Step-by-step explanation: