SOLUTION: Can you please show me step by step how to solve the following;
Solve by completing the square
x^2+8x+13=0
Algebra.Com
Question 124219: Can you please show me step by step how to solve the following;
Solve by completing the square
x^2+8x+13=0
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
a quadratic (ax^2+bx+c) is a "perfect" square if (b^2)/4a=c
subtract 13 to clear the c value __ x^2+8x=-13
add (b^2)/4a __ x^2+8x+16=3 __ (x+4)^2=3
take sqrt __ x+4=ħsqrt(3)
subtract 4 __ x=-4ħsqrt(3)
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