(2x - ½)²

Answer 1

To expand the given expression, we can use the formula (a - b)² = a² - 2ab + b².

In this case, a = 2x and b = ½.

So, (2x - ½)² = (2x)² - 2(2x)(½) + (½)²
= 4x² - 2x + ¼.