| x² - 4x - 15 | = | x² - 2x - 5 | adalah ... tolong di bantu ya

x^2 - 4x - 15 = x^2 + 2x - 5
x^2 - x^2 - 4x - 2x = -5 + 15
-6x = 10
x = -10/6
x = -5/3 atau x = 5/3

Hp: {-5/3,5/3}

x^2 _4x _15 = x^2 _2x _5
x^2 _ x^2 _4x + 2x = _5 + 15
_2x = 10
x = 10/_2
x = _5