For this case we must complete squares:

We add the square of half the coefficient of the term "x",
on both sides of the equation:

According to the perfect square trinomial we have:

Rewriting the expression we have:

ANswer:

Answer:
30 gallons of each brand
Step-by-step explanation:
1 gallon of 60% + 1 gallon of 80% = 2 gallons 70% (60/2 = 30)
Not sure. has the same question
Answer:
this answer has to be A because the libra of the pole goes west
Step-by-step explanation:
this answer has to be A because the libra of the pole goes west
Answer:
Yes, one of a rhombus's properties is that the diagonals bisect vertex angles.