Asked by Anonymous
Write in completed square form
-x^2 - 3x + 7
-x^2 - 3x + 7
Answers
Answered by
Steve
-(x^2+3x)+7
3 = 2 * 3/2, so
-(x^2 + 3x + 9/4) + 7 - 9/4
-(x + 3/2)^2 + 19/4
3 = 2 * 3/2, so
-(x^2 + 3x + 9/4) + 7 - 9/4
-(x + 3/2)^2 + 19/4
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