помогите плиззз
(6а-5)(6а-1)=?
(6а-5)(6а-1)=36а квадрат-6а-30а+5=36а квадрат-36а+5
=36a^2-6a-30a+5=36a^2-36a+5
D=1296-4*36*5=1296-720=576=24^2
a1=36+24/72
a2=36-24/72
a1=60/72
a2=12/72
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
(6а-5)(6а-1)=36а квадрат-6а-30а+5=36а квадрат-36а+5
=36a^2-6a-30a+5=36a^2-36a+5
D=1296-4*36*5=1296-720=576=24^2
a1=36+24/72
a2=36-24/72
a1=60/72
a2=12/72