Question

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Q:-(2x-1)^2
Equetion:-(a-b)^2=a^2-2×ab+b^2

Answer 1

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

Answer 2

Hey !!! ^_^

Here is your answer

⬇️⬇️⬇️⬇️⬇️⬇️⬇️

$({2x - 1)}^{2} \\ = {(2x)}^{2} - 2.2x.1 + {(1)}^{2} \\ = {4x}^{2} - 4x + 1$

I HOPE IT WILL HELP YOU

Thank you

☺️