Question

hey




what is the value of this eqauation


x³-7x²+9=0

at x=-1



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Answer 1

Step-by-step explanation:

Putting the value of x in give equ..

==>1^3-7×1^2+9

==>1-7+9

===>10-7

==>3

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Answer 2

⏩Hey mate❤

Given equations

x³-7x²+9=0.......(1)

Find value of this equations at x=-1,

Solution :-

keep value x=-1 , in (1)

We get ,

(-1)³-7×(-1)²+9

= -1 - 7 +9

= -8+9

=1

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