Respuesta :

Step 1: Subtract 13 from both sides.
x^2+6x−13=13−13x^2+6x−13=0
Step 2: Use quadratic formula with a=1, b=6, c=-13.
x=−b±b24ac2ax=(6)±(6)24(1)(−13)2(1)
x=−6±√882
x=−3+√22 or x=−3√22
Answer would be 
x=−3+√22 or x=−322

Apex answer (x+3)^2=22

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