: A minus sign before brackets flips every sign inside when the brackets are removed.
: Always double-check your arithmetic after simplifying long strings of variables.
If you are using the Merzlyak curriculum, S-29 is often part of a sequence of exercises that involves or multiplying a monomial by a polynomial .
: When multiplying powers with the same base, add the exponents; when dividing, subtract them.
For detailed step-by-step solutions for your specific edition, you can find the full answer keys on education portals like Gdz.ru or Pomogalka.me.
To master the material on this page, remember these core principles: