Mathematics
harrysbodyyum
2016-04-18 12:31:51
Solve the quadratic equation by completing the square. =+x^2+16x +61=0
ANSWERS
scherline
2016-04-18 12:38:45

hello :  x²+16x +61=0 (x² +2(8)x +8²)-8² +61 = 0 (x+8)² - 3 = 0

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