Answer:
y=3(x-2)^2-12
please let me know if its right.
Add the like terms in the parentheses. then distribute the 3an with both terms inside the parentheses. you should then have a simplified answer.
Answer:

Step-by-step explanation:
Given:



(segment addition postulate)
(substitution)
(subtracting 17 from each side)

(Subtracting 5y from both sides)


(dividing both sides by -2)

Plug in the value of y


You would use PEMDAS, which means Parenthesis, exponents, multiplication, division, addition" and then subtraction. You would solve the problem in that order