Question

the value of 5x²- 9 at x=-1 is​

Answer 1

Answer:

-4

Step-by-step explanation:

given , X=-1

A/Q,

5×-1^2-9

=5×1-9

=5-9

=-4

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Answer 2

Answer:

5(-1)sq.-9

-5sq.-9

hope it helps you