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Ronch [10]
3 years ago
15

Complete the square to solve the equation below.

Mathematics
2 answers:
Goryan [66]3 years ago
8 0

Answer:

D. 2

Step-by-step explanation:

x2 +8x-1=19

x2+8x-20=0

x2+8x +(8/2)^2 - (8/2)^2 -20=0

x2+8x+16-16-20=0

x2+8x-36=0

(x+4)^2 =36

X+4=6

X=6-4. X=6+4

X=2, X=10

jenyasd209 [6]3 years ago
3 0

Answer: X= -10, and X=2

Step-by-step explanation:

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