6. What is the standard form of (x-4)2 = 7?
C.X2 - 8x + 9 = 0 D. x2 - 8x - 9 = 0
A.x2 + 8x + 9 = 0 B. x2 + 8x - 9 = 0
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6. What is the standard form of (x-4)2 = 7?
C.X2 - 8x + 9 = 0 D. x2 - 8x - 9 = 0
A.x2 + 8x + 9 = 0 B. x2 + 8x - 9 = 0
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Answer:
(x-4)²=7
x²-8x+16=7
x²-8x+16-7=0
x²-8x+9=0