Mathematics, 23.06.2019 23:50 maddie0533
Simplify into one fraction. -1/x-9 - -2/x+7 a. 1/(x-9)(x+7) b. -3/(x-9)(x+7) c. x-25/(x-9)(x+7) d. -3x+11/(x-9)(x+7)
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Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?
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Simplify into one fraction. -1/x-9 - -2/x+7 a. 1/(x-9)(x+7) b. -3/(x-9)(x+7) c. x-25/(x-9)(x+7) d. -...
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