Mathematics: What constant would be added to the expression x2−7xx2−7x in order to make it a perfect square?

What constant would be added to the expression x2−7xx2−7x

Ответ:

kashaallen492

11.03.2022

Ok

assuming ya mean x^2-7x

since the quadratic coefient is 1, take 1/2 of the liner coeficient and square it
the linear coefient is -7
half of that is -7/2
squared we get 49/4
add that to get
$x^2-7x+\frac{49}{4}$
it factors to
$(x-\frac{7}{2})(x-\frac{7}{2})$ or $(x-\frac{7}{2})^2$

you must add $\frac{49}{4}$ to make it a perfect square

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Ответ:

juansebas35

21.02.2021

Mathematics

Theology literally means 'thinking about God'.

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What constant would be added to the expression x2−7xx2−7x in order to make it a perfect square?

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