It’s 10 or 9 I think it is probably 10
Answer:
Step-by-step explanation:
You are correct down to the part where you add the partial results:
Answer:
Step-by-step explanation:
x²-12x+(-12/2)²=x²-12x+36=(x-6)²
Answer:
Step 2
Step-by-step explanation:
Mario made a mistake in Step 2 when substracting from . When substracting his result ended up being but it is actually....
so the right answer is