Complete the square to solve the equation below x^2+10x+10=14

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asked Sep 19, 2018 98.7k views

5 votes

Complete the square to solve the equation below x^2+10x+10=14

Mathematics
high-school

Camillia asked

by Camillia

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1 Answer

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x^2 + 10x + 10 = 14
x^2 + 10x = 14 - 10
x^2 + 10x = 4
x^2 + 10x + 25 = 4 + 25
(x + 5)^2 = 29
x + 5 = (+-) sqrt 29
x = -5 (+-) 5.39

x = -5 + 5.39 = 0.39 <==
x = -5 - 5.39 = - 10.39 <==

Gaurav Pandvia answered Sep 23, 2018

by Gaurav Pandvia

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