factorise 2x square + 6 X + 1 by completing the square
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Step-by-step explanation:
2x² + 6x +1 = 0
Multiplying eq by 2
4x²+12x+2 = 0
(2x)² + 2×2x×3 + (3)² + 2-9 = 0
(2x+3)² = 9-2
(2x+3)² = 7
(2x+3) = ±/7
2x+3=/7 , 2x+3=-/7
2x=/7-3 , 2x = -/7-3
X= /7-3 ÷ 2 , x = -(/7+3) ÷ 2
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