3: efetue como achar melhor.
a) (x+7)²
b) (5+2m)²
c) (a+3x)²
d) (10x+y)²

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified, is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

An angle that measures between 90 and 180° is called a(,

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase