Question

) Find the value of m if 2x +3
is the
factor of
2x^3+9x^2-x-m​

Answer 1

Answer:

15

Step-by-step explanation:

the first photo is first page

the next photo is next page

Answer 2

Step-by-step explanation:

answer : 15

2x+3=0

2x=-3

x=-3/2

putting the value of x in eq. 2x^3+9x^2-x-m

since 2x+3 is a factor

p(-3/2)=0

2(-3/2)^3+9(-3/2)^2-(-3/2)-m=0

2x-27/8+9x9/4+3/2-m=0

-54/8+162/8+12/8-8m=0

120-8m=0x8

-8m=0-120

-8m=-120

m=120/8

=15

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