Asked by Angel
x^2+2x-15=0
solve by completing the square
solve by completing the square
Answers
Answered by
bobpursley
x^2+2x+1=16+1
(x+1)^2=16
take the sqrt each side
x+1=+-4
x=-5, 3
(x+1)^2=16
take the sqrt each side
x+1=+-4
x=-5, 3
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