X^2+3x+√x^2+3x=6 решите срочно

Question

X^2+3x+√x^2+3x=6 решите срочно

Answer 1

Х^2+3х+√х^2+3х=6
х^2+3х+х+3х-6=0
х^2+7х-6=0
D=7^2-4*1*(-6)=49+24=73
x12=(-7+-√73)/2*1=(+-√73 -7)/2