Question

(4х+3)²=(3х-2)(4х+1)

Answer 1

16х^2+24х+9=12х^2+3х-8х-2
16х^2+24х+9-12х^2-3х+8х+2=0
4х^2+29х+11=0
Д=b^2-4ac=(29)^2-4*4*11=841-176=665^2>0