Question

(1-2x)² is equal to​

Answer 1

Step-by-step explanation:

$( {1 - 2x})^{2} = 1 + 4 {x}^{2} - 4x \\ = 4 {x}^{2} - 4x + 1$

Answer 2

Answer:

$(1 - 2x {}^{}) {}^{2} \\ \\ = 1 {}^{2 } + 2x {}^{2} - 2 \times 1 \times 2 \\ \\ = 1 + 4x {}^{2} - 4x \\ \\ 4x {}^{2} - 4x + x.$

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