Question

решите уравнение (3х+4)²-(3х-1)(3х+1)=41​

Answer 1

(3х+4)²–(3х–1)(3х+1)=41​;

9x²+24x+16–(9x²–1)=41;

9x²+24x+16–9x²+1=41;

24x= 41–16–1;

24x= 24;

x= 24:24;

x= 1.

ОТВЕТ: 1.