himpunan penyelesaian (x^2 + 7x + 10)^3x-2 = (x^2 + 7x + 10)^5x-4

1) 3x - 2 = 5x - 4
3x - 5x = -4 + 2
-2x = -2
x = 1

2) x² + 7x + 10 = 0
(x + 5)(x + 2) = 0
x = -5    x = -2