Nazanin1 Nazanin1

09-05-2016
Mathematics

contestada

What number must you add to complete the square? x2 + 10x = 37

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apologiabiology apologiabiology

09-05-2016

take 1/2 of x coeficient and square it
10/2=5
5^2=25
you has to add 25 to both sides to complete the square
(x+5)^2=25+37

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