Question

Реши квадратное уравнение 2(5x−14)2−11(5x−14)+12=0 СРОЧНО
!!!!!!!!

Answer 1

2(5x−14)2−11(5x−14)+12=0

2(5х-14)2-11(5х-14)=-12

(2*2-11)*(5х-14)=-12

(4-11)*(5х-14)=-12

-7(5х-14)=-12

5х-14=12/7

5х=12/7+14

5х=110/7

х=22/7