Question

(12x−1)(3x+1)<1+(6x+2)^2

Answer 1

x= -2

Explanation:

since we have

=(2x-1)(3x+1)<1+(6x+2)^2

= 36x^2+12x-3x-1<1+(6x+2)(6x+2)

=36x^2+9x-1<1+36x^2+12x+12x+4

=36x^2+9x-1<5+36x^2+12x

grouping of like terms

=36x^2-36x^2+9x-12x<5+1

=-3x<6

therefore x=-2.