Yang atasnya aja yaa tlong bantu nomer 1 kesusahan

y = x²
y = 4x - x²

x² = 4x - x²
x² + x² - 4x = 0
2x² - 4x = 0
2x(x - 2) = 0

2x = 0
x = 0

x - 2 = 0
x = 2

HP = {0, 2}