4. Решите уравнение: (5х – 1)(х + 2) + 3(х – 4)(х + 4) = 2(2х + 3)2 - 8

Question

4. Решите уравнение: (5х – 1)(х + 2) + 3(х – 4)(х + 4) = 2(2х + 3)2 - 8

Answer 1

5х-1х+2+3х-4х=4х+6-8
5х-1х+3х-4х-4х=6-8-2
-1х= -4
х= 4