Question

5($5( x^{2} +1)+ x^{2} \ \textless \ 29$

Answer 1

5(x^2+1)+x^2<29
5x^2+5+x^2<29
6x^2<29-5
6x^2<24
x^2<24/6
x^2<4
√x^2<√4
x<+2 y -2
(-2,2) o -2<x<2