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Solve the quadratic equation x2+8x+30=0 by completing the square.​

1 Answer

3 votes

Answer:

(x + 4)2 = -26 x = -4 ± √26

Step-by-step explanation: x2 + 8x + 30 = 0

x2 + 8x = -30

x2 + 8x + (8/2)2 = -30 + (8/2)2

(x + 4)2 = -22

x + 4 = ±√22

x = -4 ± √22

math sucks lol

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User Ruth Young
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