Question

Решить уравнение
-8(x-7)+3(4-x)=2(x+5)
(4x+3)²-(4x-1)(2x+3)=-1

Answer 1

-8x+56+3(-x+4)=2x+10
-8x+56+-3x+12=2x+10
-11x+68=2x+10
-11x=2x-58
-13x=58
x=58/13