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Magazine Problem 75
State the conjugate of each binomial. $$-b+2$$
Problem 76
State the conjugate of each binomial. $$-u+4$$
Problem 78
Simplify by combining like terms. $$-14 u^{3}+13 u^{3}$$
Problem 80
Simplify by combining like terms. $$-j^{3}-j^{3}$$
Problem 82
Simplify by combining like terms. $$-9 x^{2}+9 x^{2}$$
