Question

The correct expansion for (2x-5)² =​

Answer 1

Answer:

              4$x^{2}$+25-20$x^$

Explanation:

              $(a-b)^{2}$=$a^{2}$+$b^{2}$-2$ab$--------------(formula)

              (2x-5)² =(​2x * 2x) + (5 * 5) - (2 * 2x * 5)

                           =4$x^{2}$+25-20$x^$