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Perform the indicated operation of multiplication or division on the rational expressions and simplify.s2+11s+18st+2t÷s+9t

Perform the indicated operations and reduce if possible. Assume that no denominator has a value of zero. x 2 + 2 x 2 − 9 − 6 x − 7 x 2 − 9

Find the least common multiple (LCM) of the polynomials z 2 − 5 z + 6 and z 2 − 3 z + 2 .

Perform the indicated operation of addition on the two rational expressions and reduce your answer to lowest terms.6x+5+9x−2×2+10x+25

Find the value of the rational expression for the given value of the variable.m2+220m, m=4

Find the value of the rational expression for the given value of the variable.x2+1210x, x=−15

Perform the indicated operation of multiplication or division on the rational expressions and simplify.25m24n3⋅16n25m2

Solve the following proportion.4xx−2=5xx−4

Consider the following equation:−5x−5+1x+7=1Solve the equation, if possible. If there is a solution, express your answer as either an integer or a simplified fraction.

Which of the following drug classes have anticholinergic side effects, which may decrease urinary urgency?