Subtract $(- x^{2}) + 10 x - 5$ from $5 x - 10$

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Solution

Substracting $(- x^{2}) + 10 x - 5$ from $5 x - 10$
So,
$(5 x - 10) - (- x^{2} + 10 x - 5)$
$= 5 x - 10 + x^{2} - 10 x + 5$
$= x^{2} - 5 x - 5$

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- x^{2} + 10 x - 5 f r o m 5 x - 10

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$- x^{2} + 10 x - 5 f r o m 5 x - 10$

- 3 x^{3} + 4 x^{2} - 5 x + 6

3 x^{3} - 4 x^{2} + 5 x - 6

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(-10 x -10 x -10 x -10 x -10 x -10 x -10 x -10) divided by (-5 x -5 x -5 x -5 x -5) gives

\sqrt{5 x - 5} + \sqrt{10 x - 5} = \sqrt{15 x - 10}

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