D=6^2-4*1*(-7)=36+28=64; x1=(-6-8)/2, x2=(-6+8)/2. x1= -7, x2=1. x1+x2= -7+1= -6. Ответ: x1+x2= -6.
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
D=6^2-4*1*(-7)=36+28=64; x1=(-6-8)/2, x2=(-6+8)/2. x1= -7, x2=1. x1+x2= -7+1= -6. Ответ: x1+x2= -6.
x1 = -7
x2 = 1
x1+ x2 = -7 + 1 = -6