My dad taught me that they can be broken in half if he thinks you're drinking his beer...

My dad taught me that they can be broken in half if he thinks you're drinking his beer...

Set to 0.
X

^{2 }+ 6X - 12 = 0 X^{2}+ 6X = 12 Now halve the coefficient of the linear term (6), square it and add it to both sides X^{2}+ 6X + 9 = 12 + 9 factor the left side and gather terms on the right (X + 3)^{2}= … Read more