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Magazine Problem 89
Perform the operations. Simplify answers, if possible. Assume that no denominators are 0. SEE $$\frac{y+3}{y-1}-\frac{y+4}{1-y}$$
Problem 99
Write each expression in simplest form. If it is already in simplest form, so indicate. Assume that no denominators are \(0 .\) $$\frac{4+2(x-5)}{3 x-5(x-2)}$$
Problem 106
Write each expression in simplest form. If it is already in simplest form, so indicate. Assume that no denominators are \(0 .\) $$\frac{3 x^{2}-27}{x^{2}+3 x-18}$$
Problem 108
Write each expression in simplest form. If it is already in simplest form, so indicate. Assume that no denominators are \(0 .\) $$\frac{x-y-z}{z+y-x}$$
Problem 117
To divide fractions, you must first know how to multiply fractions. Explain.
