(2x-1)²-(x+3)²=0 mohon bantuannya kak.

(2x – 1)² – (x + 3)² = 0
(2x – 1)(2x – 1) – (x + 3)(x + 3) = 0
2x(2x – 1) – 1(2x – 1) – x(x + 3) + 3(x + 3) = 0
4x² – 2x – 2x + 1 – x² – 3x + 3x + 9 = 0
3x² – 4x + 10 = 0