15x^2-(5x-2)(3x+1)<7x-8

Question

15x^2-(5x-2)(3x+1)<7x-8

Answer 1

15x^2-(5x-2)(3x+1)<7x-8<br>15x^2-15x^2+5x5-6x-7x<-8+2<br>-8x=6
x=6/-8=3/-4=-0.75