Answer:
They delete it use quizlet
Step-by-step explanation:
QUIZLET
x = 5, -3
x² - 15 = 2x
x² - 2x - 15 = 0
(x - 5)(x + 3) = 0
7x - 14 = 4x + 19
7x - 4x = 14 + 19
3x = 33
x = 11