Math, asked by deepakuppolice, 11 days ago

find the value of the following expressions when x = - 2 5x^2+3x-9​

Answers

Answered by Swarup1998
1

5x² + 3x - 9 = - 1, when x = - 2

Step-by-step explanation:

The given expression is

f(x) = 5x² + 3x - 9

When x = - 2, the value of f(x) is

f(- 2) = 5 (- 2)² + 3 (- 2) - 9

= 5 (4) + 3 (- 2) - 9

= 20 - 12 - 9

= 20 - 21

= - 1

Answered by amreshsingh26111993
0

Answer:

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