# Polynomials Add And Subtract Ch 9.1

## by taco40 on *Sep 18, 2008*

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5 comments11–5 of 5 previous next Post a comment

hannahjohnmarki love you hannah 2 months agosameerkumarhansdahI like this ppt 1 year agoBhawesh Jha, CEO & Founder at self employee its to usefullthanks and regards 2 years ago

stthomasat stthomas very good attempt,congradulations 4 years agomathrhodesI like this tutorial, BUT expressions cannot be multiplied by negative 1 without changing their value. Expressions in standard form have variable exponents that descend, but the lead coefficient should remain negative if that is its sign.Only expressions which are part of equations can become positive by multiplying both sides by a negative. 4 years ago