Please solve the equation

-2(2m+1)2-17=11 ⇔ -2(2m+1)2=28 ⇔ (2m+1)2=-14 ⇔ 2m+1=±i√14, where i=√(-1); Finally, m=-½±(i/2)√14

-2(2m+1)^2-17=11 | Wyzant Ask An Expert

Kirill Z. answered • 08/30/14

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-2(2m+1)²-17=11 ⇔ -2(2m+1)²=28 ⇔ (2m+1)²=-14 ⇔ 2m+1=±i√14, where i=√(-1);

Finally,

m=-½±(i/2)√14

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