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Find a degree 
Magazine Problem 63
Factor each polynomial completely. If a polynomial is prime, so indicate. $$x^{4}-81$$
Problem 69
Factor. $$54 x^{3}+250 y^{6}$$
Problem 79
Factor out the negative of the GCF. $$-3 x^{2} y-6 x y^{2}$$
Problem 82
Solve. $$a^{2}-a=56$$
Problem 82
Factor out the negative of the GCF. $$-25 x^{4} y^{3} z^{2}+30 x^{2} y^{3} z^{4}$$
Problem 82
Factor. If the polynomial is prime, so indicate. $$25+2 u^{2}+3 u$$
Problem 102
Explain how to determine whether a trinomial is prime.
Problem 106
Factor. $$v^{2}-14 v+49$$
Problem 109
Factor. Write each trinomial in descending powers of one variable, if necessary. If a polynomial is prime, so indicate. $$4-5 x+x^{2}$$
Problem 123
Factor. Write each trinomial in descending powers of one variable, if necessary. If a polynomial is prime, so indicate. $$r^{2}+10 r s+25 s^{2}$$
