kyleemarie2003 kyleemarie2003

13-04-2018
Mathematics

contestada

Solve the equation by completing the square. x^2+10x=18
OPTIONS..
A) -11.56, 1.56
B) 11.56, 1.56
C) -11.56, -1.56
D) 11.56, -1.56
please help in so bad at this :(

Respuesta :

Аноним Аноним

14-04-2018

[tex] {x}^{2} + 10x = 18 \\ {x}^{2} + 10x - 18 = 0 \\ (x + 11.56)(x - 1.56) = 0 \\ x = - 11.56 \: or \: x = 1.56[/tex]

Answer is A.

Hope this helps. - M

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