Factoring polynomial A. Greatest common monomial factor
1. y7 + y6 -y5
2. 10a4 -25a3 ___

B. Difference of two squares
3.a4 -z6
4.a2-c4

C. sum and difference of two cubes
5. 8b3 + c6
6.c3 - 27d9

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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.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.