Question

Упростите выражение (6ах+5у)(5у-6ах)

Answer 1

Ответ:

$\displaystyle 25y^2-36a^2x^2$

Объяснение:

$\displaystyle (6ax+5y)(5y-6ax)=\\\\ (5y+6ax)(5y-6ax)=\\\\(5y)^2-(6ax)^2=\\\\25y^2-36a^2x^2$