1 year ago

Which expression is not a polynomial? x³ x² - 2x x³ +1 12x

Mathematics

1 answer:

zaharov [31]1 year ago

3 0

Answer:

12x

Step-by-step explanation:

It has no exponent so it is not a polynomial

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Answer:

See below ↓

Step-by-step explanation:

Problem

$\frac{5x}{x+7} + \frac{7}{x}$

Work

$\frac{5x(x)+7(x+7)}{x(x+7)}$
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The student's mistake was that instead of taking x(x + 7) as the LCM (Least Common Multiple), he took x + 7, which is not possible in this case

Solution

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Step-by-step explanation:

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