Answer:
x = 10
Step-by-step explanation:
You have to divide 30 divided by 10 is 3 so ya.
Well the answer is 0 because if anything = 0 then it has to be multiplied by 0 so x = 0
Multiply it out and collect terms.
y = (x - 3)² + 36
y = (x² -6x +9) +36
y = x² -6x +45