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21-10-2016
Mathematics

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(x+5) (×+5)=49. I need to know what x is, how do I solve this?

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apologiabiology apologiabiology

21-10-2016

[tex](x+5)^2=49[/tex]
squaer root both sides
x+5=+/-7
minus 5 both sides
x=-5+/-7
x=-5+7=2
x=-5-7=-12

x=2 or -12

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