б) (6+ d)(d - 6); в) (8e3 - 6)(6+ 8e3)

Question

б) (6+ d)(d - 6); в) (8e3 - 6)(6+ 8e3)

Answer 1

6d-36+d^2-6d=-36+d^2 
d^2=-36

Comments

и продолжение: -d^2=-36 d^2=36 d^1=6 d^2=-6 c низу ^1 и ^2