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4. What is the standard form of equation x
(x+2) + 2 (x-2) = 1 when transformed to a
quadratic equation?
A x² + 4x-5 = 0
B. x2 + 2x - 5 = 0
C. x2 + 4x - 2 = 0
D. x2 + 2x - 2 = 0​