find and correct the error in the given equation (3y - 2)² = 3y² + 4 - 12y
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Step-by-step explanation:
(3y-2)^2
=(3y)^2-2×3y×2+(2)^2
=9y^2-12y+4
so the error part is 3y^2
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Step-by-step explanation:
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