SOLUTION: determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. then write and factor the trinomial.
x^2-4x
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x^2-4x
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Question 147762: determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. then write and factor the trinomial.
x^2-4x Answer by jim_thompson5910(35256) (Show Source):
You can put this solution on YOUR website! Take half of the x-coefficient -4 to get -2. Now square -2 to get 4. So you need to add 4 to to get . Now the expression is a perfect square trinomial which factors to
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