Math, asked by dhadvegajanan92, 5 months ago

if the value of the polynomial xcube+3x+a for x value

2 is 9 they find the value of a

Answers

Answered by hemanthreddysunkara

1

Answer:

the valu of a is -5

Step-by-step explanation:

if 2 is the value of x then

2 cube + 3*2+a= 9

8+6+a=9

a=9-14

a=-5

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