4x²+4x+1 factorise quadratic equation
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Answer:
- -1/2.
Step-by-step explanation:
4x² + 4x + 1
4x² + 2x + 2x + 1 = 0
2x(2x + 1) + 1(2x + 1) = 0
(2x + 1)(2x +1 ) = 0
so,
(2x + 1) = 0
2x = 1
∴ x = -1/2
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