The square of a number decreased by ten times the number is negative nine.

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Rhodope asked Jul 8, 2022

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The square of a number decreased by ten times the number is negative nine.

Mathematics
college

Rhodope asked Jul 8, 2022

by Rhodope

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x^2 - 10x =-9

x=1 or x=9

SunnyRed answered Jul 8, 2022

by SunnyRed

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24 votes

Answer:

9 OR 1

Explanation:

Let the number be x

x² - 10x = -9

x² - 10x + 9=0

a=1

b=-10

c=9

Solve using the quadratic formula

x =9 or 1

USeemSurprised answered Jul 12, 2022

by USeemSurprised

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