Complete the square to solve the equation below.
2 answers:
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
Answer: X= -10, and X=2
Step-by-step explanation:
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