Question

2. Find the value of the polynomial 3x^3 - 4x^2 + 7x - 5, when x = 3 and also when x= -3.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:if x=3 so the value of polynomial is 61

And if x= (-3) so the value of polynomial will be -143

Step-by-step explanation:

3x^3-4x^2+7x-5

Putting x=3

3(3)^3-4(3)^2+7(3)-5

=3×27-4×9+21-5

=81-36+21-5

=102-41

=61

Putting x = -3

3(-3)^3-4(-3)^2+7(-3)-5

=3×(-27)-4×9-21-5

=-81-36-21-5

= -143

Tuis is the required answer .