factorize this _ x²+4x+1
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x^2 + 4x +1
D = b^-4ac
(D refers to discriminant)
D = (4)^2 - (4×1×1)
D = 16 - 4
D = 12
x = -b plus or minus √D/2a
x = -4 + √12 / 2
or x = -4 - √12 /2
D = b^-4ac
(D refers to discriminant)
D = (4)^2 - (4×1×1)
D = 16 - 4
D = 12
x = -b plus or minus √D/2a
x = -4 + √12 / 2
or x = -4 - √12 /2
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