The first two steps in determining the solution set of the system of equations, y = -x2 + 4x + 12 and y=-3x + 24,
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To factor a number out of an expression means to divide each term of the expression by that number.
So, if you want to factor from the expression
, you'll write it as
So, in your case, when you divide both terms by -5 you get
So, the expression becomes